Anyone around that level of technology ought to have ditched that (those?!) cassettes, dubbed 'em, and stashed them into a 'keepsake' box....
Meanwhile, what would 'umans be listening to 'then', anyway?
Certainly, music ought to have survived....?
If not....I'm not up to 'go there'....unless I get to drag a batch of multi-Tbyte drives with me....;)