See here if you own a mining pool too: https://twitter.com/5chdn/status/961553561443274755
Also, you gotta think that we have UBI. Verification is needed in order to prevent people from cheating the system.
I think an incubator of new artists was something mentioned by the Musicoin profile Twitter to be added in the future. Imagine having someone to "mentor" you by paying Musicoin, that's something that can drive the price for another utility besides tips