Artist appearances at Smooth concerts

No artists have performed a song with Artist: Smooth (b15255ac-b46b-4927-9e2a-0da6fbcb16bc) on stage yet. Have you seen an artist hitting the stage at a Artist: Smooth (b15255ac-b46b-4927-9e2a-0da6fbcb16bc) concert? Add or edit the setlist and help improving our statistics!