Of Hershey's Chocolate and Muggle Music

When Sirius opens the door at the wrong time in the wrong place, he discovers something about his baby brother. When James is forced by his parents to go apologize to Severus, he learns the Slytherin's home life is far from ideal. When both pairs meet at St. Mungo's, new perspectives are formed. Abused!Snape&Reg; Dark! AU! NON CANNON COMPLIANT see full summary inside. BEING REDONE!