Your music needs several components before you can be really successful in the music business and make money off it. Recording you song is just the beginning but earning your money requires several services so that your music can be tracked for sales and digital streams.
You must proof ownership before you can sell your music on outlets like iTunes, Amazon, Google Play, etc. then you can put the various services to have your music be detected, tracked and earn revenue.
Select a specific service and find out about their purpose