Community Keyboards is a programme featuring all that's best from "the King of Instruments" in all its guises - from the mighty classical and theatre organs to the latest digital home keyboard and virtual technology - plus music and conversation with its local, national and international music-makers.  In this edition, Ian Wolstenholme chats with the legendary jazz star Alan Haven, ITV "Britains Got Talent" finalist Jean Martyn and the longest-serving resident organist at the world-famous Tower Ballroom, Blackpool Wurlitzer organ Phil Kelsall MBE.