"Black Dog" is a song by the English rock band Led Zeppelin. It is the first track on the band's untitled fourth album, which has become one of the best-selling albums of all time. From Wikipedia
Despite Previous Vow Never to Sing Iconic Song Again, Ex-Led Zeppelin Frontman Breaks Long Hiatus for Charity Show Organized by Duran Duran's Andy Taylor, who Battles Stage 4 Prostate Cancer
