I've just done some simple SEO for AI music. "In the style of" or "similar" types of searches total about of the traffic looking for 20% of "ai music generator" and/or "ai generated music" which implies having that capability could increase your sales by 25%.

As an aside, a small sample of related monthly searches (major English-speaking countries only) look something like this:

music instruments 450,000

songwriting 60,500

music composing 27,100

writing lyrics 8,100

composing music 5,400

software for composing music 5,400