Each volume of this unique jazz improvisation method includes: State of the art recordings (multi-track digital), recorded in the excellent Bauer Studios, where many of the productions for the record label ECM have been done, and in the Skyline Studios in New York City.

Each set contains six complete performances, including opening and closing theme statements, improvised solos and six play-along tracks which feature the rhythm section without soloist. Many performances use the original arran...