This week’s theme: Classic tracks from some of the classic quartets that were mostly together for a time, with a few great random quartet one-offs thrown in for good measure. Featured artists include John Coltrane, McCoy Tyner, Jimmy Garrison, Elvin Jones, Thelonious Monk, Charlie Rouse, Shadow Wilson, Wilbur Ware, Dave Brubeck, Paul Desmond, Joe Morello, Eugene Wright, Norman Bates, Jim Hall, Connie Kaye, Percy Heath, John Lewis, Milt Jackson, Art Pepper, Red Garland, Philly Joe Jones, Paul Chambers, Art Tatum, Ben Webster, John Ore, Frankie Dunlop, Gerry Mulligan, Chet Baker, Henry Grimes, Dave Bailey, Red Callender, Bill Douglas, Larry Bunker, Carson Smith.

This week’s theme: The Gershwin Songbook, as played by jazz pianists and their groups. Featured artists include: Oscar Peterson, Art Tatum, Bill Evans, Herbie Hancock, Red Garland, Billy Taylor, Bud Powell, Oscar Pettiford, Art Blakey, Paul Motian, Scott LaFaro, Hampton Hawes, Red Mitchell, Chuck Thompson, John Lewis, Percy Heath, Connie Kay, Ray Brown, Ed Thigpen, John Ore, J.C. Moses, Ray Barreto, Arthur Taylor, Paul Chambers, Randy Weston