Artist appearances at Haruhi concerts

No artists have performed a song with Artist: Haruhi (b9c993d8-2683-4295-b980-7e336dd0eaf7) on stage yet. Have you seen an artist hitting the stage at a Artist: Haruhi (b9c993d8-2683-4295-b980-7e336dd0eaf7) concert? Add or edit the setlist and help improving our statistics!