Julian Anderson, "La Note Juste," The Musical Times, 36/1823 (1995), 22-27.
Tristan Murail, "Scelsi, De-composer," trans. Robert Hasegawa, Contemporary Music Review 24/2-3 (2005), 173-180.
Benjamin Levy, "Ligeti’s Distant Resonances with Spectralism," The Oxford Handbook of Spectral Music, Edit. by Amy Bauer, Liam Cagney, and William Mason (Oxford, 2022).
Scelsi, Quattro Pezzi for orchestra
Ligeti, Atmosphéres
Ligeti, Lux Aeerna
Ligeti, Lontano
Ligeti, Chamber Concerto for 13 instruments
Messiaen, Un Sourire, pdf instructions, word instructions
Messiaen, Un Sourire, score
Messiaen, Un Sourire, audio
Giacinto Scelsi, String Quartet No. 4, pdf instructions, word instructions
Scelsi, String Quartet No. 4, score
Scelsi, String Quartet No. 4, audio
Amy Bauer, "The Transparent Tangle of History: Ligeti's Lontano, in Ligeti's Laments: Nostalgia, Exoticcism and the Absolute (Ashgate, 2011).
Scelsi, Quattro Pezzi for orchestra (zip file), and Anahit (aiff) Giacinto Scelsi Quattro Pezzi/Anahit/Uaxuctum, Accord
Ligeti, Atmosphères for orchestra (1961)
Ligeti, Lux Aeterna (1965)
Ligeti, Chamber Concerto, II (1968)
Ligeti, Hamburg Concerto, VII (2001)