A method and apparatus for the construction and teaching of music is described. The method involves a user following a supported sequence of tasks that guide their creativity in order to construct a musical Arrangement. The musical Arrangement constructed from building blocks comprising notes, Ideas, Phrases and a Song Form Template. The described method allows for the concepts such as rhythm, chords, harmony, pitch, repetition, variation, resolution, and phrase structure, that are normally hidden within a final composition to the systematically introduced to a user. Development of keyboard apparatus, a mobile phone environment and related computer software allows for automation of the process for constructing and teaching of music.