Hi folks   I've recorded this little video just to see if I am able to do it properly.   I wonder if anyone can help make it easier, because here's what I did:   - Press record on phone - Press record in Garageband, with the backing track already imported - Play along with backing track - (and here's where it got hard) - Export the audio file - Open iMovie - Open video and audio file - Try to match them (still don't think it's perf