Artist appearances at Mark Loomis concerts

No artists have performed a song with Artist: Mark Loomis (6898e3f6-8065-4db0-87e2-5b4b9380e2fb) on stage yet. Have you seen an artist hitting the stage at a Artist: Mark Loomis (6898e3f6-8065-4db0-87e2-5b4b9380e2fb) concert? Add or edit the setlist and help improving our statistics!