= Keyboard shortcuts Playtime provides keyboard shortcuts in addition to the xref:helgobox::app/user-interface/keyboard-shortcuts.adoc[general ones]. [cols = "1,1a"] |=== |Shortcut |Purpose |kbd:[Cmd+Z] |Invokes Playtime's undo function. |kbd:[Cmd+R] |Invokes Playtime's redo function. |kbd:[Backspace/Delete] |Deletes the currently selected column or row, or clears the selected slot's contents. |kbd:[Cmd/Ctrl+C] |Copies the currently selected row or slot contents to the clipboard. |kbd:[Cmd/Ctrl+X] |Cuts the currently selected row or slot contents to the clipboard. |kbd:[Cmd/Ctrl+V] |Pastes row or slot contents from the clipboard to the currently selected row or slot. |kbd:[Space] |Starts or stops playback. |[[enter,Enter]] kbd:[Enter] | Carries out an action depending on the current selection: * When the xref:user-interface/matrix-area.adoc#matrix-cell[] is selected, stops all clips in the xref:key-concepts.adoc#matrix[]. * When a xref:user-interface/matrix-area.adoc#column-cell[] is selected, stops all clips in the xref:key-concepts.adoc#column[]. * When a xref:user-interface/matrix-area.adoc#row-cell[] is selected, plays all clips in the xref:key-concepts.adoc#row[] whose column follows scenes. * When a xref:user-interface/matrix-area.adoc#slot-cell[] is selected, xref:further-concepts/matrix.adoc#trigger-slot[triggers] the xref:key-concepts.adoc#slot[]. |kbd:[F2] |Renames the currently selected column, row, clip or track. |kbd:[T] |Taps the tempo. |kbd:[M] |Toggles the metronome. |kbd:[E] |Edits the first clip in the currently selected slot. |kbd:[Q] |Quantizes the first clip in the currently selected slot. |kbd:[O] |Overdubs the first clip in the currently selected slot, if it's a MIDI clip. |kbd:[A] |Exports the complete matrix or the currently selected column, row or clip to the arrangement. |kbd:[Shift+Cmd/Ctrl+P] |Executes the REAPER action xref:reaper-actions.adoc#show-hide-playtime[]. |===