Bach composed a set of six Sonatas and Partitas for unaccompanied violin. Not surprisingly, the Partitas employ a different structure than the Sonatas.
In the Partita No. 1 in B minor (BWV 1002), Bach follows each of the four traditional dance movements with a single variation called a “double.” The double is an elaboration of the bass line of the previous movement.
Enjoy this recording of the first Partita with violinist, Itzhak Perlman.