There are more copyright considerations with 20th & 21st century compositions than with older pieces. We’re working to understand the limitations on posting excerpts from this music. If you are a copyright expert and can offer some advice, please email me: firstname.lastname@example.org.
For the moment, in lieu of examples, I’ll offer titles and audio of compositions that demonstrate particular techniques. Scores are available from libraries and publishers.
Check out the work of these composers:
Nadia Boulanger (1887-1979) French
Germaine Tailleferre (1892-1983) French, Les Six
Lili Boulanger (1893-1918) French, 1st female to win Prix de Rome
Ruth Crawford Seeger (1901-1953) American
Elisabeth Lutyens (1906-1983) English, introduced serialism to UK
Grazyna Bacewicz (1909-1969) Polish
Ursula Mamlok (1923-2016) German/American, 12-tone, non-tonal
Kaija Saariaho (b.1952) Finnish