Prime numbers have influenced many artists and writers. The French composer Olivier Messiaen used prime numbers to create ametrical music through "natural phenomena". In works such as La Nativité du Seigneur (1935) and Quatre études de rythme (1949–50), he simultaneously employs motifs with lengths given by different prime numbers to create unpredictable rhythms: the primes 41, 43, 47 and 53 appear in the third étude, "Neumes rythmiques". According to Messiaen this way of composing was "inspired by the movements of nature, movements of free and unequal durations".
Which French composer wrote ametrical music using prime numbers? What is one work by Olivier Messiaen? What is another piece created by Olivier Messiaen? In which etude of Neumes rythmiques do the primes 41, 43, 47 and 53 appear in? Messiaen says that composition with prime numbers was inspired by what?