I'm not sure it's raising prices anymore... it's more like inflation alignment. I was at a company that didn't realize inflation was really like 100% at this point, and everyone just left. All the developers just... left. No pay raises.
They don't own any of the music they resell.
They have no alternative supplier of the same products.
I don't remember Spotify increasing their prices in many years, as a Dutch-ish customer that is, but maybe in the USA they did?