On Dec. 3 & 4 four local radio heroes will be honored at this year’s Encuentro del Canto Popular. Friday: Avotcja and Luis Medina • Saturday: Emiliano Echeverria and Chata Gutierrez. These four began their radio hosting and producing in the early 1970s, bringing Latin music from across the Caribbean, Latin America and the neighborhood to Bay Area airwaves. Through their work the listening public learned about the musicians, the music and its roots in Africa. the concert will take place at Brava Theater at 2781 24th Street in San Francisco. Info and tickets at 415-648-1045 Info on performers: For more info the the concert: http://tinyurl.com/26t9ccn