Hi, Yesterday, I absent-mindedly removed the wrong track, which led me to wish for a safer remove_track. One simple idea I had is to require one to specify the track as an argument to the command, as opposed to simply operating on the currently selected track. Secondly, I tried correcting my blunder by adding the track again ind reimporting the audio, since the wavs aren't deleted when removing a track, but it somehow adds a completely different wav, and, also, I somehow end up with several versions of that unwanted wav. I removed that track again and tried a different name for the track in case nama was getting confused, but the same problem arose. I can only assume that something I did at some point fouled up my state.yml file. Sorry to be so vague, but you know how it is when you're trying to achieve something, you don't necessarily remember every step you follow. Anyway, it's meant as a hint: if I have time, I will make a copy of the project and experiment. Hopefully, I can recover this project without having to reimport all the audio from scratch. Cheers, S.M.