On April 1st, 1971, Led Zeppelin played a London concert that was recorded for broadcast on the BBC, but when the show aired, the band's high-energy performance of early B side "Communication Breakdown" from that night was omitted. The track, which runs just under five minutes – twice as long as it did on…
This article originally appeared on www.rollingstone.com: Hear Led Zeppelin’s Loose Live ‘Communication Breakdown’