Gary Clark is an artist from the 80s who composed Sing Street 's music .
Much of the original music by the band `` Sing Street '' was composed by Danny Wilson frontman Gary Clark ,   : //www.hollywoodreporter.com/review/sing-street-sundance-review-859188  with Carney , Ken and Carl Papenfus of the band Relish ,   Graham Henderson and Zamo Riffman also receiving writing credits .
Sing Street