In his book the British violinist Irvine Arditti, founder and leader of the world-famous Arditti Quartet, describes his close collaboration with many composers: Iannis Xenakis - György Ligeti - Mauricio Kagel - Hans-Werner Henze - Jonathan Harvey - Luciano Berio - Brian Ferneyhough - Elliott Carter - Giacinto Scelsi - Luigi Nono - Roger Reynolds - James Dillon - Wolfgang Rihm - György Kurtág - Pierre Boulez - John Cage - Helmut Lachenmann - Salvatore Sciarrino - Dutilleux and Lutosławski - Francisco Guerrero - Harrison Birtwistle - Karlheinz Stockhausen - Toshio Hosokawa - Hilda Paredes.