+1 I often have multiple loops in a single track. I also put one or more marks which I'll use to "start playing from here". Also the ability to toggle a loop (or loops) on/off. This information could be saved with the "current playlis…
Yes multiple playlists. Arrange song order. Tracks from any folder. Don't move/copy track to a new folder, just save a list of tracks and where the app can find them.