Richard Gilbert has 7 Def Leppard concerts.

Def Leppard is an English rock band formed in 1976 in Sheffield. Since 1992, the band has consisted of Rick Savage (bass, backing vocals), Joe Elliott (lead vocals), Rick Allen (drums, backing vocals), Phil Collen (guitar, backing vocals), and Vivian Campbell (guitar, backing vocals). They established themselves as part of the new wave of British heavy metal movement of the early 1980s.