Artist appearances at Challenger concerts

No artists have performed a song with Artist: Challenger (6a8f57b4-9f61-4cdc-a3eb-b37d7929ed21) on stage yet. Have you seen an artist hitting the stage at a Artist: Challenger (6a8f57b4-9f61-4cdc-a3eb-b37d7929ed21) concert? Add or edit the setlist and help improving our statistics!