wishbonebrewery—you can download any video from your YouTube channel (Manage Videos or Channel Content)
Also, there are Apps (programs) to download from YouTube like 4K Video Downloader and Gihosoft TubeGet.
All the best.
-- cmb_
Found it, and I can split the Audio off in Sound Forge.
Enjoy your spare HP, don't rush to fill every last space, this is not like filling sticker books. Resist the urge to 'complete' your rack, its never complete so just relax.