The centuries-old tradition of klezmer music, originally played by itinerant Jewish musicians in Eastern Europe, is extended by saxophonist, pianist, and composer Hankus Netsky and his group, the Klezmer Conservatory Band. With songs sung in Yiddish, the band incorporates a wide range of influences into its Jewish dance music. The Klezmer Conservatory Band was formed by Netsky, chairman of the jazz studies department at the New England Conservatory of Music, in Boston in 1980. The grandson and nephew of klezmer musicians of the 1920s, Netsky was inspired by informal jam sessio...