Sunday, May 1 5:00 A Musical Offering Music of all kinds, featuring the work of J. S. Bach, presented by Mary Berg. 9:00 Sleepers! Awake Bach, baroque and beyond with political and social commentary by Bill Sokol. Community Calendar at 10:55. 11:00 Cinco de Mayo Celebration Join us as we commemorate the Battle of Puebla, fought in 1862 against the invading French forces of Napoleon, and the resistance of the Mexican people to invading foreign powers. Zack Salem kicks off the festivities with a musical salute to Mexico and its music. At noon we go to Martin Luther King, Jr. Park in downtown Berkeley for a live broadcast of the 11th annual Festival de la Communidad, featuring this year the music of Dr. Loco's Rockin' Jalapeno Band, Los Compas, Banda Toritos Musical, as well as dancers, speakers "y mucho mas"! Host: Chuy Varela. A special thanks to Jim Bennett and the KPFA engineering department for making it all happen. 6:00 KPFA Weekend News 6:30 Outside The Moscow Beltway Readings, question/answer period. Call-ins at 848-4425. With William Mandel. 7:00 May Day: The Struggle Continues We will commemorate the International Workers' Day with songs, poetry and an update of recent labor and oppressed peoples' struggles for freedom from around the world. Presented by: Kutay Derin Kugay, Ahmet Yazgan, Steve Zeltzer, Latif Bolat. KFCF 8:00 Musikes Notes Manolia Kalomiris: Mother's Ring. A three act opera based on the poetry by Yannis Kambisis. Sofia Philharmonic Orchestra and the Bulgarian National Chorus conducted by Yannis Daras. Tchaikovsky: Variations on a Rococo Theme, OP 33; Pezzo Capriccioso, Op. 67 and Nocturne, Op. 19, No. 4. Cellist Nathaniel Rosen with the Sofia Philharmonic Orchestra. Host is Alex Vavoulis. Fresno only. 9:00 The Spirit of Carnival Music of Africa and the Caribbean, presented by David McBurnie. 11:00 Music from the Hearts of Space The syndicated space music program, hosted by Stephen Hill. 12:00 Heartbeats The more active, rhythmic side of the space music genre, with Lloyd Barde. 2:00 Serendipity Doo Dah Beedle Um Bum Larry explores the music library. .