Virtuoso performances tonight on Jazz After Dark. Piano by Fats Waller, Bud Powell, Johnny Varro, and Les McCann. Clarinet by Edmond Hall, Buster Bailey; horn by Louis A and Charlie Parker. Sax by Sonny Rollins and Lee Konitz. Ella leads it all off with the ultimate rendition of Summertime from Porgy & Bess. Photo, clockwise from upper left: Louis Armstrong & Ella Fitzgerald, Buster Bailey, Bud Powell, Edmond Hall.