Artist appearances at Happy concerts

No artists have performed a song with Artist: Happy (a16c6a9f-1ae0-40b4-a023-a4ce0c4575d3) on stage yet. Have you seen an artist hitting the stage at a Artist: Happy (a16c6a9f-1ae0-40b4-a023-a4ce0c4575d3) concert? Add or edit the setlist and help improving our statistics!