Оригинал: Per Nørgård. The premiere performances took places in Santa Fé in 2002 and in Oslo in 2003. String Quartet No.9 - Into The Source.
Превод: Струнен квартет № 9 - Into The Source. части. Book, Sheet Music. Струнен квартет. STR QUARTET. Per Norgard. Предговор.