Carol Wincenc, flute (in the 2nd work) ; Escher Quartet (Adam Barnett-Hart, Brendan Speltz, violins ; Pierre Lapointe, viola ; Brook Speltz, cello)

Mode of access: World Wide Web

String Quartet No. 4: I. Spiral I (2:09) -- String Quartet No. 4: II. Waveform (8:17) -- String Quartet No. 4: III. Labyrinth (3:42) -- String Quartet No. 4: IV. Spiral II (7:51) -- Air in Motion: I. Turning (3:30) -- Air in Motion: II. Canon on 50 Notes (3:20) -- Air in Motion: III. Air (5:21) -- Air in Motion: IV. Pushing the Envelope (5:27) -- String Quartet No. 6 "Canticle": I. Eternal, Timeless (2:18) -- String Quartet No. 6 "Canticle": II. Intense, Dramatic (3:47) -- String Quartet No. 6 "Canticle": III. Scherzando (3:00) -- String Quartet No. 6 "Canticle": IV. Ethereal (3:44) -- String Quartet No. 6 "Canticle": V. Driving (2:28) -- String Quartet No. 6 "Canticle": VI. Still (3:25) -- String Quartet No. 6 "Canticle": VII. Soulful, Mysterious (7:01)