" Communication Breakdown " was part of the group 's initial live set in 1968 . It was played at every gig until 1970 , after which it was featured as an encore . The group played it on at least one show for all subsequent tours , including their residency at Earl 's Court , London in 1975 , the second appearance at the 1979 Knebworth Festival , and the band 's final tour in 1980 . Plant played it on some of his solo tours , while Jones performed it live with Diamanda Galás in 1994
1979 Knebworth Festival
Knebworth Festival 1979
Communication Breakdown