Composed by Wilhelm Friedemann Bach (1710-1784). Edited by Kenneth Martinson. For 2 violas. This edition: Urtext, Staple Center Bound with 1 insert. In the keys of G, g, C. Classical. Level 4 (of 6). Playing score. Text Language: English. Composed ca. 1775. F. 60-62. 46 pages. Published by Gems Music Publications