Maurissa Tancharoen

"Dr. Horrible" is about a man who considers himself a villain and is only waiting to receive his official acceptance into a league of villains, though to do that he must succeed at an evil plan or most specifically, kill someone, neither of which he has been able to do. (IMDB Comments)

Dr. Horrible's Sing-Along Blog commentary track comprising entirely new songs performed by the cast and crew, thus creating a whole other musical on its own. The actors and writers sing various songs both as solos and with the entire company, playing versions of themselves.