Lonely Child is a piece for soprano and orchestra by Claude Vivier, written in 1980.[1][2][3] It is arguably his most well-known piece, and is considered a hallmark composition in the genre of spectral music.[4]
Braes, Ross (2003). An Investigation of the Jeux De Timbres in Claude Vivier's Orion and His Other Instrumental Works of 1979–80. University of British Columbia Press.