Tonight’s show: the music of George and Ira Gershwin. First George Gershwin himself, then Benny Goodman, Helen Merrill, Mel Tormé with Marty Paich, Julie London, Miles Davis, Eddie "Lockjaw" Davis, Ella Fitzgerald, the Vince Guaraldi Trio, Stan Getz, Art Pepper & Bill Perkins, Lester Young with the Oscar Peterson Trio, Joe Pass, Dianne Reeves, and Marian McPartland with Gene Harris.