Artist appearances at Extremity concerts

No artists have performed a song with Artist: Extremity (66527b12-8dc9-4e0d-8d19-a7eb9a89ba28) on stage yet. Have you seen an artist hitting the stage at a Artist: Extremity (66527b12-8dc9-4e0d-8d19-a7eb9a89ba28) concert? Add or edit the setlist and help improving our statistics!