Plaza Garibaldi: A Mariachi and Folklórico Festival features music and dance performances, vendors, traditional food and drinks, and carnival games from 11 a.m. to 4 p.m., Saturday, May 15. Free. Noche de las Estrellas Concert Extravaganza features a performance by Sergio Antonio with accompaniment by Mariachi Herencia de Cuco del Cid from 7 to 10:30 p.m., Saturday, May 15. $10. Call 545-5483 for more information.