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.

• @music-trail 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 @thirsty