Whether they’re playing the classics, jazz, tango or avant-garde, listeners are invariably fascinated by the wide range of unique and intoxicating timbres that these twelve cellos can produce, and their mixture of seriousness and humour, of depth and lightness, appeals to audiences of all ages. Among the contemporary composers who have written works specially for the “12” are Boris Blacher, Sebastian Currier, Brett Dean, Tan Dun, Péter Eötvös, Jean Françaix, Sofia Gubaildulina, Christian Jost, Wilhelm Kaiser-Lindemann, Arvo Pärt, Wolfgang Rihm, Kaija Saariaho, Frangis Ali-Sade, Pēteris Vasks, Iannis Xenakis und Udo Zimmermann.