Artist appearances at Extremity concerts

No artists have performed a song with Artist: Extremity (0936ca1a-75d1-414e-861e-48cf9860a124) on stage yet. Have you seen an artist hitting the stage at a Artist: Extremity (0936ca1a-75d1-414e-861e-48cf9860a124) concert? Add or edit the setlist and help improving our statistics!