Studio Cafe, 100 S. Main St., Balboa Peninsula. Open daily, 10 a.m. to 1:30 a.m.; music Monday through Saturday from 9 p.m., also 2 to 6 p.m. on Saturdays and Sundays. (714) 675-7760. This place, mobbed in the summertime, is best experienced in winter or on a Sunday afternoon in the spring, when you can sit at the bar and watch the wind off the water ruffle the palm trees. Jazz music on Sunday afternoons and most nights provides a pleasant soundtrack.