Preludes and fugue for 13 solo strings - Lutosławski, Witold 1913-1994 (Chester Music, 1990)
Title from resource description page (viewed October 14, 2016)
Written in 1971
For bowed string ensemble (7 violins, 3 violas, 2 cellos, and double bass)
Duration: 34 min
Includes performance notes in English and German