Recorded live in a small London club, Undead contains the original "I'm Going Home," the song that brought Ten Years After its first blush of popularity following the Woodstock festival and film in which it was featured. However, the real strength of this album is side one, which contains two extended jazz jams, "I May Be Wrong, But I Won't Be Wrong Always" and Woody Herman's "Woodchopper's Ball," both of which spotlight guitarist Alvin Lee's amazing speed and technique. Side two is less interesting, with an extended slow blues typical of the time, a drum solo feature, and the rock & roll rave-up of "I'm Going Home."