APERGHIS, Georges (*1945) 
Rondo (1994) for soprano & mezzo-soprano
Sextuor (1992) for five female voices & cello 

BERIO, Luciano (1925-2003)
El mar la mar (1969) for soprano, mezzo-soprano & ensemble 

CAGE, John (1912-1992) 
Litany for the whale (1980) for two voices; Songbooks (1970) for voices ; Aria (1958), two voices version.

COHEN ELIAS, Sivan (*1976)  
Table, Wine & Shtekede (2006) for two amplified voices [French premiere]

DUSAPIN, Pascal (*1955)
Two walking (1994) for two female voices 

KREIDLER, Johannes (*1980) 
 The Knots [world premiere, Hamburg, May 2013]  for two voices

NEYRINCK, Frederik (*1985)
Quasi Palindrom III (2013) for two sopranos

NONO, Luigi (1924-1990) 
Quando Stanno Morendo, gli uomini cantando - Diario Polacco n.2 for vocal quartet, bass flute, cello and electronics (1982, 39 minutes).

REICH, Steve (*1936)
Music for 18 Musicians (1976) for large ensemble including four female voices 

SAARIAHO, Kaija (*1952)  
From the Grammar of Dreams (1988) for soprano & mezzo-soprano

SCELSI, Giacinto (1905-1988) 
Sauh I & II (1973) for two female voices

STEEN-ANDERSEN, Simon (*1976)                                                                                 
In her frown (2007) for two amplified voices [revised version].

STOCKHAUSEN, Karlheinz (1928-2007)
Am Himmel wandre Ich - Indianerlieder ^ (1972) for two voices.

WALSHE, Jennifer (*1974): A History of the Voice - Self Care II  ^ [world premiere, Leuven, October 2017], for four voices & electronics 
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[^ upcoming performance]