Compiled by our Classical Music desk.
György Ligeti (1923-2006).
1. String quartet no. 2 (1968).
Arditti Quartet.
2. San Francisco Polyphony (1974).
Royal Concertgebouw Orchestra conducted by Bernard Haitink.
3. Etudes no. 1 through 6 (1985).
Pierre-Laurent Aimard, piano.