For groups such as Centipede, Mujician and Tapestry, as well as for his work alongside the likes of Stan Tracey, Keith Tippett has been at the forefront of European jazz and improvised music for 50 years. That importance has been as an educator, as well as a pianist and composer, and this group has its genesis in Tippett's educational sessions, attended by both Jackson and Long. The line-up is completed by Taylor, the founder and director of the CRAM music collective and record label. Together, they create monumentally sensitive chamber improv that evolves constantly as it drifts in and out of focus. Most of the time it's free of fireworks, the interest instead deriving primarily from an acute sensitivity to texture. It's group improvising at its finest, conveying a sense not only of spontaneous composition but of genuinely collective spontaneous composition.