IN midi editor I created time selection and turn on repeat to listen a part again and again but it doesn't working edit cursor is not stopping ? Ah — I see what’s happening. You made a time selection in the MIDI editor and turned on repeat, but REAPER isn’t looping it. That’s because REAPER’s repeat/loop playback works from the arrange view’s time selection , not from the MIDI editor’s local selection. The MIDI editor can have its own independent selection that doesn’t control the main playback unless they’re linked. Two ways to make your loop work: Option 1 – Link MIDI editor time selection to arrange view In the MIDI editor, go to Options . Turn on “Link loop points to time selection” and “Link to arrange view” (wording can vary slightly depending on REAPER version). Now, whenever you make a time selection in the MIDI editor, the same selection is made in the arrange view. With repeat enabled (shortcut: R ), REAPER will loop that section. Option 2 – Set...