Music Marketing tips:
The 70-20-10 rule.
70% of your post should be about your brand, photos of you in the studio, video clips from your performances, vlog, text post about your projects.
20% of your post should be about networking, talking about other music you like, sharing tracks from others, random photos of you at the gym, club and just being yourself.
10% of your post should be about promoting and selling, post where can they buy your single and purchase your tickets.