Artist appearances at Grimace concerts

No artists have performed a song with Artist: Grimace (2fd2e7d6-59a7-4b87-be7f-0b086618f1c4) on stage yet. Have you seen an artist hitting the stage at a Artist: Grimace (2fd2e7d6-59a7-4b87-be7f-0b086618f1c4) concert? Add or edit the setlist and help improving our statistics!