The original literary reference might have been, but as written it's the title of a book:

https://en.m.wikipedia.org/wiki/Fully_Automated_Luxury_Commu...

> there's a whole scene about AI producing art (i.e. nobody cares or think it's interesting)

As I recall, this was a conversation between an organic person and a Mind, a specific category of AI that's quite capable of running several billion uploaded human consciousnesses simultaneously in real time, and it was the Mind who was saying that yes, they could make far better music, but they didn't want to.