Hour 3: The Chicano Wave

Richard Valenzuela had been unknown beyond Pacoima until a young record producer heard him play at a local movie house and invited him to his Hollywood studio. Thus was born Ritchie Valens, the "great brown hope" of Latin music. Watch LATIN MUSIC USA, airing Friday, April 28 and Friday, May 5 at 9/8C on PBS (check local listings). Image credit: Michael Ochs Archives/Getty Images