12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 1 in D Major for 4 Violins, RV 549 : Vivaldi: 12 Concertos, Op. 3 "L'estro armonico" / Concerto No. 1 in D Major for 4 Violins, RV 549: 1. Allegro