Rebecca Berkley is a freelance writer and musician, and is a music education consultant. She has taught percussion to students of all ages, both as a private teacher and as a workshop leader, and published percussion music. She is also a choral conductor, running several choirs and directing music festivals with her husband. After starting her career as a music teacher in secondary schools, she became a lecturer in music education at the University of Southampton and the Institute of Education, University of London. Her PhD thesis focused on how GCSE students learn to compose, and how best to teach them. She is the co-author of Rhinegold's Edexcel GCSE Music Listening Tests (Book 3) and contributes as a freelance writer to Classroom Music Magazine. Paul Terry has taught from primary to postgraduate level, including 15 years spent as director of music at the City of London Freemen's School. He was an examiner for ABRSM for nearly 30 years, and has been chief examiner in music for both OCSEB (now part of OCR) and Edexcel (for whom he pioneered the introduction of Music Technology as an A-level subject). He has also served as a member of the Secondary Examinations Council and its successor the Schools Examinations and Assessment Council, and has been employed as a music consultant for several examining boards. Paul's many publications include Musicals in Focus and a number of music study guides for Rhinegold Publishing, three books on A-level music aural published by Schott, books on music technology and group music-making for Musonix Publishing, and various articles on music education for Music Teacher, Classroom Music and other periodicals.