Pierre Schaeffer -- Études de bruits (1948)

00:00 Étude aux chemins de fer - trains 02:53 Étude aux tourniquets - toy tops and percussion instruments 04:52 Étude violette - piano recorded for Schaeffer by Boulez 08:12 Étude noire - piano recorded for Schaeffer by Boulez 12:11 Étude pathétique - sauce pans, canal boats, singing, speech, harmonica, piano