Hey man, welcome to Steemit! If you're looking for other musicians, try getting some exposure and meeting people by entering contests. A few good ones:

https://steemit.com/steemittalentcontest/@donnaincancun/steemit-talent-contest-week-8-entries-now-open-hosted-by-donnaincancun-and-sponsored-by-luzcypher

https://steemit.com/openmic/@luzcypher/steemit-open-mic-week-75-record-your-performance-and-win-steem-sponsored-by-pfunk-and-luzcypher

https://steemit.com/art/@ivan.atman/italent-contest-auditions-have-started-or-45-steem-rewards-or-all-talents-or-auditory-arts-visual-arts-performing-arts

This place is a playground for creatives ;) Have fun!