Brian Johnson (L) and Angus Young of AC/DC in 2000. Johnson's first album with the group, 1980's Back In Black, is one of the best-selling albums of all time, despite never reaching No. 1 on the Billboard album chart. Michele Limina/AFP/Getty Images hide caption

itoggle caption Michele Limina/AFP/Getty Images

Justin Timberlake performed Saturday at the Myspace Secret Show during the SXSW Music Festival in Austin, Texas. His new album — his first in seven years — is The 20/20 Experience. Jason Kempin/Getty Images hide caption

itoggle caption Jason Kempin/Getty Images

Justin Timberlake's No. 1 singles include "SexyBack," "My Love" and "What Goes Around.../...Comes Around." Peggy Sirota hide caption

itoggle caption Peggy Sirota