Concepts:
mixed music
real-time and non-real-time production
score following
audio processing: delays, sampling, pitch shifting, modulation
spatialization

More concepts: strategies for listening to music
Purpose: what are the musicians trying to accomplish?
Sonic elements: what kinds of sounds do you hear and how do they vary?
Structural elements: Do you hear motion? sections? interrelationships?
Transformation and Development: Are things introduced and then "worked on"?
Unity: Why does it hang together overall as a piece?
Time flow: Does it seem to propel you forward? Change direction? Change your perception of time?

Music on reserve:
William Albright, Sphaera (1985; 12:44)
Pierre Boulez, Dialogue de l'Ombre Double (1985; 17:42)
Philippe Manoury, Jupiter (1987; 28:04)
Mario Davidovsky, Synchronism #9 for violin and tape (1988; 8:46)
Kaija Saariaho. Noanoa (1991; 9:10)

Reading: Georgina Born, "Rationalizing Culture", pp. 164-179.