78 Violin-Viola Duets, BI. 33-110, Vol. 1 (Nos. 1-4, BI. 33-36); Alessandro Rolla (Gems Music Publications)

78 Violin-Viola Duets, BI. 33-110, Vol. 1 (Nos. 1-4, BI. 33-36); Alessandro Rolla Urtext. Edited by Kenneth Martinson. Format: Playing score. Alessandro Rolla (1757-1841) remains one of the most prolific composers of his era, having composed around 45 violin concertos, 22 viola concertos, 131 violin duets, 78 violin-viola duets, and 38 viola duets, trumping by wide margins the output of any