https://musictech.com/news/music/peter-jacksons-beatles-documentary-uses-ai-to-reveal-hidden-studio-conversations/
Private conversations between the Beatles play a big role in Peter Jackson’s Get Back, a documentary which explores the relationship between the musicians as their final studio effort, Let It Be, came together in 1970. The unearthing of hidden dialogue, from a bank of old recordings, was aided by the use of AI technology in a process Jackson and his team dubbed “demixing”.