Courtesy Steve Harmon, (Laredo, Texas)-The much anticipated return and new concert by one of México’s most revered mariachi music groups, the Mariachi Nuevo Tecalitlán de Guadalajara, is Saturday, April 30 at 8 p.m. at the Laredo Independent School District’s Civic Center, 2400 San Bernardo Avenue. Generous sponsorship for the event has been provided by IBC