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A musical development sequence is proposed based on the psycho-logical concepts of mastery, imitation, imaginative play and meta-cognition, drawing on the work of Moog, Piaget and the observations of British writers. An interpretation of over seven hundred children's compositions is undertaken yielding an eight-mode spiral of development that may have consequences for music teaching; for overall music curriculum planning, for appropriate responses to individuals, for generating progression in a session or project.
Swanwick et al. (Sat,) studied this question.