Alan Charlton is a freelance composer. He was awarded the first ever PhD in Composition from Bristol University in 1997 and was the first Eileen Norris Fellow in Composition at Bedford School (1999-2002). He was head of music technology at Bedford School from 2000-2009 and is also an examiner for Edexcel. Robert Steadman is a prolific composer who has written music ranging from symphonies and operas to primary-school musicals and pieces for brass band. Among his many commissions he has written works for the percussionist Evelyn Glennie, the Royal Philharmonic Orchestra and the London Serpent Trio. He currently teaches part-time at Lady Manners School, Bakewell, as well as providing workshops and INSET on composition and music-technology topics. He has been an examiner for all the major exam boards. He writes for Rhinegold's Classroom Music and is the author of AQA GCSE Music Revision Lifelines and co-author of Revision Lifelines for AS and A2 Music Technology.