It wasn’t fate that brought CNCO together. It was Simon Cowell. All five members—the name is a play on “cinco,” for the uninitiated—were winners of the first season of La Banda, a Spanish-language competition show that sought to create the perfect Latin boy band. And after almost six years…

Halsey performs at Wazzmatazz at Shoreline Amphitheatre in Mountain View on June 2, 2019. Photos: Chloe Catajan and Mike DeWald. MOUNTAIN VIEW — Pop stars of today and tomorrow gathered at Shoreline Amphitheatre Sunday night for the WAZZMATAZZ summer concert spectacle. The show, presented by radio station Wild 94.9,…