23:00Shake, Rattle and RollSeries 20Episode 2BBC Radio 2 Duration: 1 hour Tue 13th Apr 2010, 23:00 on BBC Radio 2Mark Lamarr plays little-heard rock 'n' roll gems from his own collection.GenresMusicClassic Pop & RockBrandShake, Rattle and RollSeriesShake, Rattle and Roll: Series 20 Source: BBC Online