Sunday Aug 21, Maria, Maria Cantina, 1470 North Broadway, Walnut Creek, approx 2-5pm. Enjoy a Mexican brunch and Rolando performing on the newly renovated front patio on solo guitar and voice by the creek. If it’s too hot, it will be indoors. He may be joined by Bob Harrison on flute. www.mariamariarestaurants.com, (925) 946-1010.