Harry dramatically sings out his sorrow and anger when he sees Snape kill Dumbledore, to the tune of "An English Teacher" from Bye Bye Birdie. + His murdering dumbledore is the worst thing he could do but his true colors I always knew Al-bus! Al-bus! Aaaaaaal-bus! I remember how you told me i should trust you about him, He was on our side, but he's killed you, Albus! For voldemort, Albus! He was our spy, that's what you said, He wouldn't betray us, that's what you said, You made a mistake, that's what happened I knew that i was right all along and now look at you: You were killed... by Severus Snape! That bloody traitor, That bloody traitor, I always knew that he was a traitor! He wasn't sorry that Sirius died, He didn't teach me Occlumency, He wasn't really that nice to me. A man who's got the dark mark should be avoided We knew all along that he had one +