Wohltemperiertes Klavier Part 2, Vol. 3: 5 three-part Preludes and Fugues
for String trio (Violin, Viola and Violoncello)
after the original version for piano (harpsichord)
Prelude and fugue belong together, forming o n e work. In Bach's case, however, the two movements are seldom in the same harmony - and thus also suitable for the same string instrumentation. 5 particularly beautiful examples here.