© Licensed to London News Pictures. 22/07/2012. London, UK.  Jools Holland and his Rhythm & Blues Orchestra performs live for BT's River of Music at the Europe stage, Somerset House.  In this pic - Gregory Porter. Gregory Porter is a jazz vocalist, songwriter, and actor. His debut album, Water, released in 2010 via Motéma Music, was nominated for Best Jazz Vocal album at the 53rd Annual Grammy Awards.  Photo credit : Richard Isaac/LNP