Confirming a rumor that surfaced early this morning, Led Zeppelins music is now available on Spotify. Led Zeppelin I and Led Zeppelin II are available now, and the rest of the Zeppelins discography will become available throughout the remainder of the week. Spotify says this is the first time Zeppelins iconic catalog can be streamed on demand. The bands songs can already be purchased from iTunes, Google Music, and Amazon, but the group has proven hesitant in adopting the streaming model until now.