Artist appearances at John Regan concerts

No artists have performed a song with Artist: John Regan (9a959877-11e9-4fd6-b68c-5e8f9e03c4c4) on stage yet. Have you seen an artist hitting the stage at a Artist: John Regan (9a959877-11e9-4fd6-b68c-5e8f9e03c4c4) concert? Add or edit the setlist and help improving our statistics!