I've summarized Supreme Court cases into Broadway musicals. The thing about memory is that novel input increases retention. So now I know about grouse hunting and explosives that fall off trains and their constitutional implications.

Another was a set of songs that helped me emotionally regulate on the drive home after couples therapy. The lyrics contained grounding exercises that helped maintain awareness and presence and contained mindfulness practices.

Both did their job, but they were also music for utility, not necessarily for artistic enjoyment. So it's not entirely an apples to apples comparison.

Marketing jingles for video ads.

people like to think they're successful but they don't like effort. So this will let them pretend they're artists.

Also, probably someone will game an algorithm to get revenue from a bajillion tracks of lofi slop.