Bohemian Rhapsody (2018) during the filming of the recording studio scene, the multitrack recording of the original song was played through thue equipment. You're seeing the needles move to the original song :
QUEEN / MULTITRACK MASTERS : THE ULTIMATE BEST REMIX COLLECTION
If 'Bohemian Rhapsody' had been recorded today... - Album on Imgur
MOGG Files - Multitrack Digital Audio Format | Just another WordPress.com site
QUEEN 『Multitracks Masters』2CD×3の通販 by YAN's shop|ラクマ
Stream [Multitrack Acapella] Queen - Bohemian Rhapsody - by MashedMadFab by MashedMadFab | Listen online for free on SoundCloud
Queen - Multitracks Separated Vol II ( 2 CD ) ( We Will Rock You , Someone to Love , Play The Game , Under Pressure , Crazy Little Thing & more ) - Thecdvault