When Sonic met that strange fox at the karaoke bar, he hadn't expected to bump into him in his highschool's hallway. Fate would have it that they have a few classes together. And that they are both planning to join the choir group. But the hedgehog's curiosity is truly piqued when the two-tail shows up at Emerald Studios, auditioning to join the infamous DreamBoat Express. (sontails, AU)