1. Go to the Onetreumedia website and click on the "Sign Up" button.
2. Create an account by entering your email address, a username, and a password.
3. Once your account is created, log in and click on the "Upload" button.
4. Select the song file you want to upload from your computer.
5. Enter the song title, artist name, and album title.
6. Select the genre and subgenre of the song.
7. Write a short description of the song.
8. Choose whether you want to make the song public or private.
9. Click on the "Upload" button.
Your song will be uploaded to Onetreumedia and will be available for other users to listen to.