Trumpet Duet Trumpet - Level 4 - Digital Download SKU: A0.532274 Composed by J.B. Boismortier (1696-1765). Arranged by Klas Krantz. Baroque,Classical. Score. 14 pages. Amadeus Music #4572475. Published by Amadeus Music (A0.532274). For two trumpets. Joseph Bodin de Boismortier (1689 – 1755) was a French baroque composer of instrumental music, cantatas, opéra-ballets, and vocal music. Boismortier was one of the first composers to have no patrons: having obtained a royal license for engraving music in 1724, he made enormou