1
Streaming Service
Streaming services are the most popular way to promote your music in 2021. We're not in the early 2000s anymore. Artists no longer have to stand on the streets asking people to buy a CD. Instead, you can just upload your song to Spotify, Apple Music, etc., and garner a big audience pretty quickly.
2
Social Media
It's pretty much certain that if you want to market anything in 2021, social media is a good of a platform as any. There's already a huge amount of scope on social media for marketing music. You can add snippets of your music to your social media platforms, and you'll be able to market it to an extensive audience seamlessly.
