Artist appearances at Simpleton concerts

No artists have performed a song with Artist: Simpleton (12a8b6b4-7c4e-46a4-95a9-1c7694423a5a) on stage yet. Have you seen an artist hitting the stage at a Artist: Simpleton (12a8b6b4-7c4e-46a4-95a9-1c7694423a5a) concert? Add or edit the setlist and help improving our statistics!