Artist appearances at Mr. Proper concerts

No artists have performed a song with Artist: Mr. Proper (18a9898f-a0be-440c-8b82-cc68d04590a5) on stage yet. Have you seen an artist hitting the stage at a Artist: Mr. Proper (18a9898f-a0be-440c-8b82-cc68d04590a5) concert? Add or edit the setlist and help improving our statistics!