Guys did you even read the reddit post about $MUSIC and Musiconomi?  This is straight from the Musiconomi team:

MCI tokens will NOT replace $MUSIC in any way shape or form! The two will work together synergistically to bring more value to the community than either could on their own. $MUSIC is the underlying blockchain technology that supports pay-per-play transactions and a trustless smart contract payout system for artists.

MCI will be a layer on top of this fundamental chain that will enable more advanced features like sharing, track backing, etc. Almost like Steemit for music (ok, don't quote me on that, but you get the idea). This will allow fans to become way more involved with their favorite artists than a simple run-of-the-mill streaming platform would (like every other music related blockchain project seems to be). Take a look at our Token Utility blog post for on some of the cool stuff you will be able to do with MCI that you can't do with pure $MUSIC:

https://medium.com/musiconomi/the-musiconomi-mci-token-utility-a-closer-look-d9f88feb73ef.

We've done our best to be forthcoming about things and have been very active in blogs and slack trying to answer questions like this, so hopefully this puts it to rest once and for all.
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When they say Musiconomi is "a layer on top of" $MUSIC that seems pretty definitive to me.  Maybe they will have separate blockchains but to say they are completely unrelated is not correct.