The Kidz Bop Kids, the voices behind the kid’s music brand, Kidz Bop, will embark on a 22-city national tour this summer. They will be the opening act on the “It’s All About Music” tour, which will headline 11-year-old singer Ethan Bortnick. The summer tour, beginning July 27 is timed to coincide with the July 17 release of “Kidz Bop 22,” the latest volume in the best-selling audio series featuring top songs sung by kids for kids.