Dr. Horrible's Sing-Along Blog (soundtrack)
 Dr. Horrible's Sing-Along Blog is the soundtrack to the 2008 web series of the same name.It was released exclusively through the iTunes Store on the evening of September 1 2008 with lyrics and liner notes appearing on the series' website the next day. On the first full day of its release it was the most downloaded album on iTunes in both Canada and Australia and reached #2 in the U.S.On September 10 2008 Dr.