Quintet (1968) by Hugh Davies:
Pendulum Music (1968) by Steve Reich
(score from: http://www.smithsonianmag.com/arts-culture/5-12-examples-of-experimental-music-notation-92223646/)
Bird and Person Dyning (1975) by Alvin Lucier
Fragment of a recording of Green Piece (2005) by Anne Wellmer.
Violin: Julia Eckhardt, Electronics: Anne Wellmer.… read more
Mikrophonie I (1964) by Karlheinz Stockhausen, performed in 1966
And performed in 2007:
Speaker Swinging (1982) by Gordon Monahan:
Valerian Maly is making coffee for his new students. The coffee cooker is amplified by a contact microphone. The smell of fresh coffee is of course an important element as well during this performance!
Streetwalker (1980) by Ellen Fullman, amplifying the skirt with contact microphones:
Andrea Neumann performing on her Inside Piano: