Paul Bley's "Not Two, Not One" is a captivating journey into the world of avant-garde jazz, released on ECM Records in February 1999. This album is a testament to Bley's innovative spirit and his ability to push the boundaries of traditional jazz. Spanning a little over an hour, the album is divided into eleven tracks, each offering a unique exploration of sound and improvisation. From the intricate layers of "Not Zero: In Three Parts" to the introspective "Dialogue Amour," Bley's piano work is both technically impressive and deeply expressive. The album seamlessly blends elements of free jazz, cool jazz, and avant-garde, creating a rich and dynamic listening experience. "Not Two, Not One" is a standout work in Paul Bley's discography, showcasing his mastery of the genre and his enduring influence on jazz music.