12 Violin Concertos, Op. 4 - "La stravaganza" - Rev. Ephrikian / Concerto No. 9 in F Major, RV 284 : Vivaldi: 12 Violin Concertos, Op. 4 - "La stravaganza" - Rev. Ephrikian / Concerto No. 9 in F Major, RV 284: 1. Allegro