You're right, it really can and does help musicians.
For example, we have:
Open Mic on Steemit where musicians are earning rewards to play and sing songs.
team is part of the SteemTrail project, curating good music you can find here.
There is a blockchain based record company on Steemit you can read more about here: Announcement - Thirsty Entertainment Website is now live! --- by
RE: Thoughts on STEEM so far and seeing it as a potential rescue vehicle for music