User blog comment:Noahtomlin/Celebrate Sonic's Big 2-0 with some Video and Screens/@comment-3201026-20110721032500/@comment-17720060-20110721033738

I heard a song one time..... Remember the trailer that first announced Green Hill and announced the name of the game? There was certain music in the backround that I didn't hear in a past Sonic song. Then, one day, I got bored and went searching through the wikia. Then I saw a song, listened to it, and it was a Sonic song I never heard of before, and it had the same music that was in the trailer. I think that will be the theme of the game.