Artist appearances at 4+4 concerts

No artists have performed a song with Artist: 4+4 (99bef4a2-b9b4-4c54-9e1a-584eff185b0e) on stage yet. Have you seen an artist hitting the stage at a Artist: 4+4 (99bef4a2-b9b4-4c54-9e1a-584eff185b0e) concert? Add or edit the setlist and help improving our statistics!