Instagram can be a powerful platform for promoting your music and building a fanbase. Here are some of the best ways to promote your music on Instagram:

1. Create a music-focused profile: Your profile should be focused on your music, with a bio that includes your genre and links to your website or streaming platforms. Make sure your profile picture is high-quality and recognizable.
2. Post engaging content: Post high-quality photos and videos that showcase your music and your personality. You can post behind-the-scenes footage of your recording process, snippets of new songs, or performances. Use captions to engage with your audience and encourage them to listen to your music.
3. Use hashtags: Use relevant hashtags that describe your genre and style of music. This can help you reach new audiences and get more visibility on the platform. You can also create your own hashtag to encourage fans to share your music.
4. Collaborate with other musicians: Collaborating with other musicians can help you reach new audiences and build your fanbase. You can collaborate on songs or perform together and post about it on Instagram.
5. Use Instagram Stories: Instagram Stories can be a great way to promote your music and engage with your fans. You can use Stories to post behind-the-scenes footage, promote upcoming shows or releases, or even run polls or Q&As to interact with your fans.
6. Engage with your fans: Respond to comments and direct messages from your fans. This can help you build a loyal fanbase and establish a personal connection with your audience.

Overall, the key to promoting your music on Instagram is to be authentic, engaging, and consistent. By creating quality content, collaborating with others, and engaging with your fans, you can build a strong presence on Instagram and promote your music to a wider audience.