By Carl Stamitz (1745-1801). Edited by Kenneth Martinson. For violin, viola. This edition: Urtext, Staple Center Bound with 1 insert. In the keys of D, G, C, A, D, E-flat. Classical. Level 5 (of 6). 2 Playing scores. Text Language: English. Op. 19 no. 1-6. 44 pages. Published by Gems Music Publications