Peter Mapleson has worked as a musical director, conductor, repetiteur and musician on many major musicals such as Phantom of the Opera, Les Miserables, Cats and Godspell that have been presented in Australia. He has also taught musical theatre performance and audtion techniques to drama students. Peter and Robyn Mapleson (q.v.) have been regular writers for the Australian Broadcasting Corporation and have had many of their works included in various compilations of music for children.