Artist appearances at Demented concerts

No artists have performed a song with Artist: Demented (c2fcb1c5-d1f2-4e78-95f1-28f0966347ed) on stage yet. Have you seen an artist hitting the stage at a Artist: Demented (c2fcb1c5-d1f2-4e78-95f1-28f0966347ed) concert? Add or edit the setlist and help improving our statistics!