At the respective ages of 90 and 36, alto saxophonist (and jazz eminence) Lee Konitz and trailblazing pianist Dan Tepfer mark their 10th year as collaborators with Decade. Not unlike 2009's Duos with Lee, this album departs from their more common practice of playing standards, instead venturing a music that is freely improvised, structurally open-ended, and ambiguous in mood. Konitz’s inimitable alto cry, which traces back to the late ’40s with Lennie Tristano and Miles Davis, continues to cast a spell, as does Tepfer’s harmonic wizardry and radiant touch. Surprises abound: Tepfer plays alto sax himself on three tracks, and “Through the Tunnel” showcases Konitz spontaneously scat-singing toward the end—a moment of pure inspiration.