Baroque. Biber's Sonata a7 was composed in 1667 for 7 trumpets, timpani and organ. Mr. Couturier's arrangement is in the key of C. This work is joyous and fanfare-like, having the character of a royal procession. The music is about 6 minutes in length and appropriate for advanced performers. Instrumentation is 303.01 (3 trumpets, 3 trombones, tuba) with organ and optional timpani. Trumpets in C. Score & partts. -the publisher