5 June 2017: Interview on the Richard Stead Show BBC Radio Leeds The show starts at 9.00 am (UK), Derek joins David at around 11.20 am. Derek Shelmerdine on the Richard Stead Show Author of Rock’n’Roll Unravelled, Derek Shelmerdine talks to Richard Stead about his book and the music of the 1950s ’60s and ’70s….