This seems like something different though - it's the audio this time and the screenshotted email doesn't mention Disney this time, so I wonder if he's used som

This seems like something different though - it's the audio this time and the screenshotted email doesn't mention Disney this time, so I wonder if he's used some music in it (there's some at the beginning) which is still under copyright? The original article made it sound like he'd created all the audio, but I presume he didn't create that music.