Artist appearances at backbone concerts

No artists have performed a song with Artist: backbone (8cc4c4f8-66cf-4d08-b80c-a6b1d60441ff) on stage yet. Have you seen an artist hitting the stage at a Artist: backbone (8cc4c4f8-66cf-4d08-b80c-a6b1d60441ff) concert? Add or edit the setlist and help improving our statistics!