Artist appearances at Theta concerts

No artists have performed a song with Artist: Theta (552c9a80-2b26-4f9a-ab0b-bb952634fb26) on stage yet. Have you seen an artist hitting the stage at a Artist: Theta (552c9a80-2b26-4f9a-ab0b-bb952634fb26) concert? Add or edit the setlist and help improving our statistics!