

It is based on the version for 12 cellos. With the permission of the composer, some of Pärt's students worked out a version for string quartet. Version for string quartet, from a programme note for the Balanescu Quartet performance at the 1992

The adaptations fall into two groups, one staying close to the original concept, the other with the addition of a soaring solo instrument line. Pärt has since adapted the work for many different solo and ensemble combinations. The original version of Fratres for strings, wind and percussion, was composed in 1977 for the Estonian early music ensemble Hortus Musicus Tallinn. (study score UE 32.365/performance material - rental only) (2002) Guitar, string orchestra and percussion. (study score UE 31.997/performance material - rental only) (1995) Cello, string orchestra and percussion. (study score UE 32.397/performance material - rental only) (1994) Trombone, string orchestra and percussion. (study score UE 31.998/performance material - rental only) (1992) Violin, string orchestra and percussion. Beat Briner) (full score UE 19.814/parts UE 19.815) (1977) Original version for chamber ensemble of early or modern instruments.(UE - rental only) Versions of Fratres (may not be quite up to date) Some of this info is from copyrighted sources.
