Olivier Messiaen (1908-1992) is known for his unique composition style. Incorporating complex rhythms, harmony, melodies and his passion for ornithology, his Vocalise Study for High Voice and Piano is no exception to thecomposer's popular, distinctive style. Olivier Messiaen (1908-1992) was admitted to the Paris Conservatoire at the mere age of 11, where he won many prizes. As a passionate ornithologist, as well as organist and composer, many ofMessiaen's works also depict bird song. Vocalise Study composed in 1935, does not have lyrics, but addresses breath control, intervals, phrasing, range, complex rhythms and chromaticism. Vocalise Study is essential to all advancedvocalists seeking to progress and improve their technique.