Format: should do I classify my release as "Single", "EP" or "Album"?

You must use the SINGLE formatif your release meets the following:

• Your release contains from 1 to 3 tracks with the same title, meaning different versions of the same song. 
• Your release contains from 1 to 2 tracks with different titles. That means, up to two different songs.
• Your release has up to 10 minutes of duration.  

You must select EP format if your release meets the following:

• Your release contains from 3 to 6 tracks with the same title, meaning different versions of the same song. 
• If your release contains from 4 to 6 tracks with different titles. That means, each song is different. 
• If your release has between 10 to 30 minutes duration.

You must select ALBUM format if your release is lengthier that the previous options.