Well it doesn't get more clear than that, it's just the stage clear theme from Shadow the Hedgehog. It's on brawlvault but I felt like putting it in the forums too. http://forums.kc-mm.com/Gallery/BrawlView.php?Number=6627&Moderated=All#Number=6627&Moderated=All&Moderated=All (http://forums.kc-mm.com/Gallery/BrawlView.php?Number=6627&Moderated=All#Number=6627&Moderated=All&Moderated=All)
nice