diff --git a/src/components/Menu/MenuBar/BaseMenuBar.vue b/src/components/Menu/MenuBar/BaseMenuBar.vue
index 3b7b3ea75f..26570a57d5 100644
--- a/src/components/Menu/MenuBar/BaseMenuBar.vue
+++ b/src/components/Menu/MenuBar/BaseMenuBar.vue
@@ -40,6 +40,8 @@ const props =
   defineProps<{
     /** 「ファイル」メニューのサブメニュー */
     fileSubMenuData: MenuItemData[];
+    /** 「編集」メニューのサブメニュー */
+    editSubMenuData: MenuItemData[];
     /** エディタの種類 */
     editor: "talk" | "song";
   }>();
@@ -90,6 +92,8 @@ const titleText = computed(
       ? ` - Port: ${defaultEngineAltPortTo.value}`
       : "")
 );
+const canUndo = computed(() => store.getters.CAN_UNDO(props.editor));
+const canRedo = computed(() => store.getters.CAN_REDO(props.editor));
 
 // FIXME: App.vue内に移動する
 watch(titleText, (newTitle) => {
@@ -327,6 +331,39 @@ const menudata = computed<MenuItemData[]>(() => [
       },
     ],
   },
+  {
+    type: "root",
+    label: "編集",
+    onClick: () => {
+      closeAllDialog();
+    },
+    disableWhenUiLocked: false,
+    subMenu: [
+      {
+        type: "button",
+        label: "元に戻す",
+        onClick: async () => {
+          if (!uiLocked.value) {
+            await store.dispatch("UNDO", { editor: props.editor });
+          }
+        },
+        disabled: !canUndo.value,
+        disableWhenUiLocked: true,
+      },
+      {
+        type: "button",
+        label: "やり直す",
+        onClick: async () => {
+          if (!uiLocked.value) {
+            await store.dispatch("REDO", { editor: props.editor });
+          }
+        },
+        disabled: !canRedo.value,
+        disableWhenUiLocked: true,
+      },
+      ...props.editSubMenuData,
+    ],
+  },
   {
     type: "root",
     label: "エンジン",
diff --git a/src/components/Sing/MenuBar.vue b/src/components/Sing/MenuBar.vue
index 578b08cabf..2f7b13a797 100644
--- a/src/components/Sing/MenuBar.vue
+++ b/src/components/Sing/MenuBar.vue
@@ -1,5 +1,9 @@
 <template>
-  <BaseMenuBar editor="song" :file-sub-menu-data="fileSubMenuData" />
+  <BaseMenuBar
+    editor="song"
+    :file-sub-menu-data="fileSubMenuData"
+    :edit-sub-menu-data="editSubMenuData"
+  />
 </template>
 
 <script setup lang="ts">
@@ -10,6 +14,7 @@ import { MenuItemData } from "@/components/Menu/type";
 
 const store = useStore();
 const uiLocked = computed(() => store.getters.UI_LOCKED);
+const isNotesSelected = computed(() => store.state.selectedNoteIds.size > 0);
 
 const importMidiFile = async () => {
   if (uiLocked.value) return;
@@ -53,4 +58,66 @@ const fileSubMenuData: MenuItemData[] = [
     disableWhenUiLocked: true,
   },
 ];
+
+const editSubMenuData: MenuItemData[] = [
+  { type: "separator" },
+  {
+    type: "button",
+    label: "コピー",
+    onClick: () => {
+      if (uiLocked.value) return;
+      store.dispatch("COPY_NOTES_TO_CLIPBOARD");
+    },
+    disableWhenUiLocked: true,
+    disabled: !isNotesSelected.value,
+  },
+  {
+    type: "button",
+    label: "切り取り",
+    onClick: () => {
+      if (uiLocked.value) return;
+      store.dispatch("COMMAND_CUT_NOTES_TO_CLIPBOARD");
+    },
+    disableWhenUiLocked: true,
+    disabled: !isNotesSelected.value,
+  },
+  {
+    type: "button",
+    label: "貼り付け",
+    onClick: () => {
+      if (uiLocked.value) return;
+      store.dispatch("COMMAND_PASTE_NOTES_FROM_CLIPBOARD");
+    },
+    disableWhenUiLocked: true,
+  },
+  { type: "separator" },
+  {
+    type: "button",
+    label: "すべて選択",
+    onClick: () => {
+      if (uiLocked.value) return;
+      store.dispatch("SELECT_ALL_NOTES");
+    },
+    disableWhenUiLocked: true,
+  },
+  {
+    type: "button",
+    label: "選択解除",
+    onClick: () => {
+      if (uiLocked.value) return;
+      store.dispatch("DESELECT_ALL_NOTES");
+    },
+    disableWhenUiLocked: true,
+  },
+  { type: "separator" },
+  {
+    type: "button",
+    label: "クオンタイズ",
+    onClick: () => {
+      if (uiLocked.value) return;
+      store.dispatch("COMMAND_QUANTIZE_SELECTED_NOTES");
+    },
+    disableWhenUiLocked: true,
+  },
+];
 </script>
diff --git a/src/components/Sing/ScoreSequencer.vue b/src/components/Sing/ScoreSequencer.vue
index a929d78aab..9a8605166d 100644
--- a/src/components/Sing/ScoreSequencer.vue
+++ b/src/components/Sing/ScoreSequencer.vue
@@ -28,6 +28,7 @@
       @mouseleave="onMouseLeave"
       @wheel="onWheel"
       @scroll="onScroll"
+      @contextmenu.prevent
     >
       <!-- キャラクター全身 -->
       <CharacterPortrait />
@@ -208,6 +209,7 @@
       }"
       @input="setZoomY"
     />
+    <ContextMenu ref="contextMenu" :menudata="contextMenuData" />
   </div>
 </template>
 
@@ -221,6 +223,10 @@ import {
   onDeactivated,
 } from "vue";
 import { v4 as uuidv4 } from "uuid";
+import ContextMenu, {
+  ContextMenuItemData,
+} from "@/components/Menu/ContextMenu.vue";
+import { isMac } from "@/type/preload";
 import { useStore } from "@/store";
 import { Note } from "@/store/type";
 import {
@@ -251,6 +257,7 @@ import SequencerPhraseIndicator from "@/components/Sing/SequencerPhraseIndicator
 import CharacterPortrait from "@/components/Sing/CharacterPortrait.vue";
 import SequencerPitch from "@/components/Sing/SequencerPitch.vue";
 import { isOnCommandOrCtrlKeyDown } from "@/store/utility";
+import { useHotkeyManager } from "@/plugins/hotkeyPlugin";
 import { useShiftKey } from "@/composables/useModifierKey";
 
 type PreviewMode = "ADD" | "MOVE" | "RESIZE_RIGHT" | "RESIZE_LEFT";
@@ -276,6 +283,9 @@ const timeSignatures = computed(() => state.timeSignatures);
 
 // ノート
 const notes = computed(() => store.getters.SELECTED_TRACK.notes);
+const isNoteSelected = computed(() => {
+  return state.selectedNoteIds.size > 0;
+});
 const unselectedNotes = computed(() => {
   const selectedNoteIds = state.selectedNoteIds;
   return notes.value.filter((value) => !selectedNoteIds.has(value.id));
@@ -744,6 +754,15 @@ const onMouseDown = (event: MouseEvent) => {
   if (!isSelfEventTarget(event)) {
     return;
   }
+
+  // macOSの場合、Ctrl+クリックが右クリックのため、その場合はノートを追加しない
+  if (isMac && event.ctrlKey && event.button === 0) {
+    return;
+  }
+
+  // TODO: メニューが表示されている場合はメニュー非表示のみ行いたい
+
+  // 選択中のノートが無い場合、プレビューを開始しノートIDをリセット
   if (event.button === 0) {
     if (event.shiftKey) {
       isRectSelecting.value = true;
@@ -1146,6 +1165,136 @@ onDeactivated(() => {
 
   document.removeEventListener("keydown", handleKeydown);
 });
+
+// コンテキストメニュー
+// TODO: 分割する
+const { registerHotkeyWithCleanup } = useHotkeyManager();
+
+registerHotkeyWithCleanup({
+  editor: "song",
+  name: "コピー",
+  callback: () => {
+    if (nowPreviewing.value) {
+      return;
+    }
+    if (state.selectedNoteIds.size === 0) {
+      return;
+    }
+    store.dispatch("COPY_NOTES_TO_CLIPBOARD");
+  },
+});
+
+registerHotkeyWithCleanup({
+  editor: "song",
+  name: "切り取り",
+  callback: () => {
+    if (nowPreviewing.value) {
+      return;
+    }
+    if (state.selectedNoteIds.size === 0) {
+      return;
+    }
+    store.dispatch("COMMAND_CUT_NOTES_TO_CLIPBOARD");
+  },
+});
+
+registerHotkeyWithCleanup({
+  editor: "song",
+  name: "貼り付け",
+  callback: () => {
+    if (nowPreviewing.value) {
+      return;
+    }
+    store.dispatch("COMMAND_PASTE_NOTES_FROM_CLIPBOARD");
+  },
+});
+
+registerHotkeyWithCleanup({
+  editor: "song",
+  name: "すべて選択",
+  callback: () => {
+    if (nowPreviewing.value) {
+      return;
+    }
+    store.dispatch("SELECT_ALL_NOTES");
+  },
+});
+
+const contextMenu = ref<InstanceType<typeof ContextMenu>>();
+
+const contextMenuData = ref<ContextMenuItemData[]>([
+  {
+    type: "button",
+    label: "コピー",
+    onClick: async () => {
+      contextMenu.value?.hide();
+      await store.dispatch("COPY_NOTES_TO_CLIPBOARD");
+    },
+    disabled: !isNoteSelected.value,
+    disableWhenUiLocked: true,
+  },
+  {
+    type: "button",
+    label: "切り取り",
+    onClick: async () => {
+      contextMenu.value?.hide();
+      await store.dispatch("COMMAND_CUT_NOTES_TO_CLIPBOARD");
+    },
+    disabled: !isNoteSelected.value,
+    disableWhenUiLocked: true,
+  },
+  {
+    type: "button",
+    label: "貼り付け",
+    onClick: async () => {
+      contextMenu.value?.hide();
+      await store.dispatch("COMMAND_PASTE_NOTES_FROM_CLIPBOARD");
+    },
+    disableWhenUiLocked: true,
+  },
+  { type: "separator" },
+  {
+    type: "button",
+    label: "すべて選択",
+    onClick: async () => {
+      contextMenu.value?.hide();
+      await store.dispatch("SELECT_ALL_NOTES");
+    },
+    disableWhenUiLocked: true,
+  },
+  {
+    type: "button",
+    label: "選択解除",
+    onClick: async () => {
+      contextMenu.value?.hide();
+      await store.dispatch("DESELECT_ALL_NOTES");
+    },
+    disabled: !isNoteSelected.value,
+    disableWhenUiLocked: true,
+  },
+  { type: "separator" },
+  {
+    type: "button",
+    label: "クオンタイズ",
+    onClick: async () => {
+      contextMenu.value?.hide();
+      await store.dispatch("COMMAND_QUANTIZE_SELECTED_NOTES");
+    },
+    disabled: !isNoteSelected.value,
+    disableWhenUiLocked: true,
+  },
+  { type: "separator" },
+  {
+    type: "button",
+    label: "削除",
+    onClick: async () => {
+      contextMenu.value?.hide();
+      await store.dispatch("COMMAND_REMOVE_SELECTED_NOTES");
+    },
+    disabled: !isNoteSelected.value,
+    disableWhenUiLocked: true,
+  },
+]);
 </script>
 
 <style scoped lang="scss">
diff --git a/src/components/Sing/SequencerNote.vue b/src/components/Sing/SequencerNote.vue
index e402050068..dd7f7bd277 100644
--- a/src/components/Sing/SequencerNote.vue
+++ b/src/components/Sing/SequencerNote.vue
@@ -71,8 +71,9 @@ import {
   tickToBaseX,
   noteNumberToBaseY,
 } from "@/sing/viewHelper";
-import ContextMenu from "@/components/Menu/ContextMenu.vue";
-import { MenuItemButton } from "@/components/Menu/type";
+import ContextMenu, {
+  ContextMenuItemData,
+} from "@/components/Menu/ContextMenu.vue";
 
 type NoteState = "NORMAL" | "SELECTED";
 
@@ -163,13 +164,43 @@ const showPitch = computed(() => {
   return state.experimentalSetting.showPitchInSongEditor;
 });
 const contextMenu = ref<InstanceType<typeof ContextMenu>>();
-const contextMenuData = ref<[MenuItemButton]>([
+const contextMenuData = ref<ContextMenuItemData[]>([
+  {
+    type: "button",
+    label: "コピー",
+    onClick: async () => {
+      contextMenu.value?.hide();
+      await store.dispatch("COPY_NOTES_TO_CLIPBOARD");
+    },
+    disableWhenUiLocked: true,
+  },
+  {
+    type: "button",
+    label: "切り取り",
+    onClick: async () => {
+      contextMenu.value?.hide();
+      await store.dispatch("COMMAND_CUT_NOTES_TO_CLIPBOARD");
+    },
+    disableWhenUiLocked: true,
+  },
+  { type: "separator" },
+  {
+    type: "button",
+    label: "クオンタイズ",
+    disabled: !props.isSelected,
+    onClick: async () => {
+      contextMenu.value?.hide();
+      await store.dispatch("COMMAND_QUANTIZE_SELECTED_NOTES");
+    },
+    disableWhenUiLocked: true,
+  },
+  { type: "separator" },
   {
     type: "button",
     label: "削除",
     onClick: async () => {
       contextMenu.value?.hide();
-      store.dispatch("COMMAND_REMOVE_SELECTED_NOTES");
+      await store.dispatch("COMMAND_REMOVE_SELECTED_NOTES");
     },
     disableWhenUiLocked: true,
   },
diff --git a/src/components/Talk/MenuBar.vue b/src/components/Talk/MenuBar.vue
index 6ed4b5e2d0..09f17d8141 100644
--- a/src/components/Talk/MenuBar.vue
+++ b/src/components/Talk/MenuBar.vue
@@ -1,5 +1,9 @@
 <template>
-  <BaseMenuBar editor="talk" :file-sub-menu-data="fileSubMenuData" />
+  <BaseMenuBar
+    editor="talk"
+    :file-sub-menu-data="fileSubMenuData"
+    :edit-sub-menu-data="editSubMenuData"
+  />
 </template>
 
 <script setup lang="ts">
@@ -159,4 +163,7 @@ registerHotkeyWithCleanup({
     importTextFile();
   },
 });
+
+// 「編集」メニュー
+const editSubMenuData = computed<MenuItemData[]>(() => []);
 </script>
diff --git a/src/store/singing.ts b/src/store/singing.ts
index a21781ed6b..c4ed5992d8 100644
--- a/src/store/singing.ts
+++ b/src/store/singing.ts
@@ -17,6 +17,7 @@ import {
   Phrase,
   PhraseState,
   transformCommandStore,
+  noteSchema,
 } from "./type";
 import { sanitizeFileName } from "./utility";
 import { EngineId } from "@/type/preload";
@@ -40,6 +41,7 @@ import {
 import {
   selectPriorPhrase,
   getMeasureDuration,
+  getNoteDuration,
   isValidNote,
   isValidScore,
   isValidSnapType,
@@ -462,6 +464,17 @@ export const singingStore = createPartialStore<SingingStoreTypes>({
     },
   },
 
+  SELECT_ALL_NOTES: {
+    mutation(state) {
+      const currentTrack = state.tracks[selectedTrackIndex];
+      const allNoteIds = currentTrack.notes.map((note) => note.id);
+      state.selectedNoteIds = new Set(allNoteIds);
+    },
+    async action({ commit }) {
+      commit("SELECT_ALL_NOTES");
+    },
+  },
+
   DESELECT_ALL_NOTES: {
     mutation(state) {
       state.editingLyricNoteId = undefined;
@@ -1984,6 +1997,115 @@ export const singingStore = createPartialStore<SingingStoreTypes>({
       });
     },
   },
+
+  COPY_NOTES_TO_CLIPBOARD: {
+    async action({ state, getters }) {
+      const currentTrack = getters.SELECTED_TRACK;
+      const noteIds = state.selectedNoteIds;
+      // ノートが選択されていない場合は何もしない
+      if (noteIds.size === 0) {
+        return;
+      }
+      // 選択されたノートのみをコピーする
+      const selectedNotes = currentTrack.notes
+        .filter((note: Note) => noteIds.has(note.id))
+        .map((note: Note) => {
+          // idのみコピーしない
+          const { id, ...noteWithoutId } = note;
+          return noteWithoutId;
+        });
+      // ノートをJSONにシリアライズしてクリップボードにコピーする
+      const serializedNotes = JSON.stringify(selectedNotes);
+      // クリップボードにテキストとしてコピーする
+      // NOTE: Electronのclipboardも使用する必要ある？
+      await navigator.clipboard.writeText(serializedNotes);
+      window.backend.logInfo("Copied to clipboard.", serializedNotes);
+    },
+  },
+
+  COMMAND_CUT_NOTES_TO_CLIPBOARD: {
+    async action({ dispatch }) {
+      await dispatch("COPY_NOTES_TO_CLIPBOARD");
+      await dispatch("COMMAND_REMOVE_SELECTED_NOTES");
+    },
+  },
+
+  COMMAND_PASTE_NOTES_FROM_CLIPBOARD: {
+    async action({ commit, state, getters, dispatch }) {
+      // クリップボードからテキストを読み込む
+      let clipboardText;
+      try {
+        clipboardText = await navigator.clipboard.readText();
+      } catch (error) {
+        throw new Error("Failed to read the clipboard text.", {
+          cause: error,
+        });
+      }
+
+      // クリップボードのテキストをJSONとしてパースする(失敗した場合はエラーを返す)
+      let notes;
+      try {
+        notes = noteSchema
+          .omit({ id: true })
+          .array()
+          .parse(JSON.parse(clipboardText));
+      } catch (error) {
+        throw new Error("Failed to parse the clipboard text as JSON.", {
+          cause: error,
+        });
+      }
+
+      // パースしたJSONのノートの位置を現在の再生位置に合わせてクオンタイズして貼り付ける
+      const currentPlayheadPosition = getters.GET_PLAYHEAD_POSITION();
+      const firstNotePosition = notes[0].position;
+      // TODO: クオンタイズの処理を共通化する
+      const snapType = state.sequencerSnapType;
+      const tpqn = state.tpqn;
+      const snapTicks = getNoteDuration(snapType, tpqn);
+      const notesToPaste: Note[] = notes.map((note) => {
+        // 新しい位置を現在の再生位置に合わせて計算する
+        const pasteOriginPos =
+          Number(note.position) - firstNotePosition + currentPlayheadPosition;
+        // クオンタイズ
+        const quantizedPastePos =
+          Math.round(pasteOriginPos / snapTicks) * snapTicks;
+        return {
+          id: uuidv4(),
+          position: quantizedPastePos,
+          duration: Number(note.duration),
+          noteNumber: Number(note.noteNumber),
+          lyric: String(note.lyric),
+        };
+      });
+      const pastedNoteIds = notesToPaste.map((note) => note.id);
+      // ノートを追加してレンダリングする
+      commit("COMMAND_ADD_NOTES", { notes: notesToPaste });
+      dispatch("RENDER");
+      // 貼り付けたノートを選択する
+      commit("DESELECT_ALL_NOTES");
+      commit("SELECT_NOTES", { noteIds: pastedNoteIds });
+    },
+  },
+
+  COMMAND_QUANTIZE_SELECTED_NOTES: {
+    action({ state, commit, getters, dispatch }) {
+      const currentTrack = getters.SELECTED_TRACK;
+      const selectedNotes = currentTrack.notes.filter((note: Note) => {
+        return state.selectedNoteIds.has(note.id);
+      });
+      // TODO: クオンタイズの処理を共通化する
+      const snapType = state.sequencerSnapType;
+      const tpqn = state.tpqn;
+      const snapTicks = getNoteDuration(snapType, tpqn);
+      const quantizedNotes = selectedNotes.map((note: Note) => {
+        const quantizedPosition =
+          Math.round(note.position / snapTicks) * snapTicks;
+        return { ...note, position: quantizedPosition };
+      });
+      commit("COMMAND_UPDATE_NOTES", { notes: quantizedNotes });
+      dispatch("RENDER");
+    },
+  },
 });
 
 export const singingCommandStoreState: SingingCommandStoreState = {};
diff --git a/src/store/type.ts b/src/store/type.ts
index f312703887..6c8a79964d 100644
--- a/src/store/type.ts
+++ b/src/store/type.ts
@@ -868,6 +868,11 @@ export type SingingStoreTypes = {
     action(payload: { noteIds: string[] }): void;
   };
 
+  SELECT_ALL_NOTES: {
+    mutation: undefined;
+    action(): void;
+  };
+
   DESELECT_ALL_NOTES: {
     mutation: undefined;
     action(): void;
@@ -1014,6 +1019,22 @@ export type SingingStoreTypes = {
   STOP_RENDERING: {
     action(): void;
   };
+
+  COPY_NOTES_TO_CLIPBOARD: {
+    action(): void;
+  };
+
+  COMMAND_CUT_NOTES_TO_CLIPBOARD: {
+    action(): void;
+  };
+
+  COMMAND_PASTE_NOTES_FROM_CLIPBOARD: {
+    action(): void;
+  };
+
+  COMMAND_QUANTIZE_SELECTED_NOTES: {
+    action(): void;
+  };
 };
 
 export type SingingCommandStoreState = {
diff --git a/src/type/preload.ts b/src/type/preload.ts
index 5319e6703f..3baa1bacb6 100644
--- a/src/type/preload.ts
+++ b/src/type/preload.ts
@@ -152,6 +152,26 @@ export const defaultHotkeySettings: HotkeySettingType[] = [
     action: "選択中のアクセント句のイントネーションをリセット",
     combination: HotkeyCombination("R"),
   },
+  {
+    action: "コピー",
+    combination: HotkeyCombination(!isMac ? "Ctrl C" : "Meta C"),
+  },
+  {
+    action: "切り取り",
+    combination: HotkeyCombination(!isMac ? "Ctrl X" : "Meta X"),
+  },
+  {
+    action: "貼り付け",
+    combination: HotkeyCombination(!isMac ? "Ctrl V" : "Meta V"),
+  },
+  {
+    action: "すべて選択",
+    combination: HotkeyCombination(!isMac ? "Ctrl A" : "Meta A"),
+  },
+  {
+    action: "選択解除",
+    combination: HotkeyCombination("Escape"),
+  },
 ];
 
 export const defaultToolbarButtonSetting: ToolbarSettingType = [
@@ -433,6 +453,11 @@ export const hotkeyActionNameSchema = z.enum([
   "テキスト読み込む",
   "全体のイントネーションをリセット",
   "選択中のアクセント句のイントネーションをリセット",
+  "コピー",
+  "切り取り",
+  "貼り付け",
+  "すべて選択",
+  "選択解除",
 ]);
 
 export type HotkeyActionNameType = z.infer<typeof hotkeyActionNameSchema>;
diff --git "a/tests/e2e/browser/\343\202\271\343\202\257\343\203\252\343\203\274\343\203\263\343\202\267\343\203\247\343\203\203\343\203\210.spec.ts-snapshots/\343\203\241\343\202\244\343\203\263\347\224\273\351\235\242-browser-win32.png" "b/tests/e2e/browser/\343\202\271\343\202\257\343\203\252\343\203\274\343\203\263\343\202\267\343\203\247\343\203\203\343\203\210.spec.ts-snapshots/\343\203\241\343\202\244\343\203\263\347\224\273\351\235\242-browser-win32.png"
index 1f29080d52..8c4fd69899 100644
Binary files "a/tests/e2e/browser/\343\202\271\343\202\257\343\203\252\343\203\274\343\203\263\343\202\267\343\203\247\343\203\203\343\203\210.spec.ts-snapshots/\343\203\241\343\202\244\343\203\263\347\224\273\351\235\242-browser-win32.png" and "b/tests/e2e/browser/\343\202\271\343\202\257\343\203\252\343\203\274\343\203\263\343\202\267\343\203\247\343\203\203\343\203\210.spec.ts-snapshots/\343\203\241\343\202\244\343\203\263\347\224\273\351\235\242-browser-win32.png" differ