Martin Block usually just spun records on his WNEW show, but for a while he was hosting thirty minute jam sessions, several of which have been preserved . . here featuring Charlie Shavers, Charlie Teagarden and Bobby Hackett (trumpet and cornet), Jack Teagarden and Vernon Brown (trombone), Joe Marsala and Pee Wee Russell (clarinet), Dave Matthews (alto sax), Herschel Evans, Kenneth Hollon and Bud Freeman (tenor), Ernie Caceres (baritone), Fats Waller, Howard Smith and Joe Bushkin (p), Eddie Condon, Teddy Bunn and Carmen Mastren (guitar), Sam Shoobe, Artie Shapiro and Milt Hinton (bass), Cozy Cole, George Wettling and Zutty Singleton (drums), and Lionel Hampton (vib) on long performances unencumbered by time limits!