Artist appearances at THEN concerts

No artists have performed a song with Artist: THEN (443c69ef-b51d-4a54-885a-d460f8f7b1ba) on stage yet. Have you seen an artist hitting the stage at a Artist: THEN (443c69ef-b51d-4a54-885a-d460f8f7b1ba) concert? Add or edit the setlist and help improving our statistics!