Callum Watson has 1 Biffy Clyro concert.

Biffy Clyro is a three-piece alternative rock band which formed in Kilmarnock, Scotland in 1995. The band consists of Simon Neil (vocals, guitar), James Johnston (bass, vocals) and his twin brother Ben (drums, vocals). The band has released ten albums since their formation: "Blackened Sky" (2002), "The Vertigo of Bliss" (2003), "Infinity Land" (2004), "Puzzle" (2007), "Only Revolutions" (2010) , "Opposites" (2013) and "Ellipsis" (2016), "Balance, Not Symmetry" (2019)...