The first official release of the June 1970 Montreux Jazz Festival concert featuring trumpeter Ian Carr's pioneering Nucleus performing with US vocalist Leon Thomas on a set of Thomas' repertoire. The collaboration with Thomas is (in Ian Carr's words) a combination of the "rock thing...with the roots of the music". Double LP on 180 gram vinyl includes free download code sticker. Curated, analogue mastered and cut at Gearbox Studio.