Concepts:
musical terms: pitch, rhythm, dynamic and timbre
technological terms: recording, synthesis, microphones, speakers

Music on reserve:
Luigi Russolo - Risveglio di una citta (1914; 3:45)
Halim el-Dabh - Wire Recorder Piece (1944; extract, 2:01)
Laurie Spiegel - Patchwork (1974-6; 9:46)
William Schottstaedt - Dinosaur Music (1984; 6:34)
Wendy Carlos - Brandenburg Concerto, no. 3, third movement, from Switched-on Bach, (1968; 4:41)
Jimi Hendrix - Are you experienced? (1967; 4:17)

Reading:

Luigi Russolo, The Art Of Noise (1913; in English translation)