By Steve Futterman
Updated October 18, 2002 at 04:00 AM EDT

Pianist Jarrett may have more clout than the average jazz musician, but releasing 2 hours and 17 minutes of free improvisation is still a pretty fearless move. With his longtime associates — bassist Gary Peacock and drummer Jack DeJohnette — Jarrett weaves a tapestry of sound that rewards a vigilant listener with passages of lyrical beauty and dramatic group interplay. Daunting on the surface, the two-disc Tokyo reveals its pleasures quickly.