Get ready to feel positive with "12 Concertos, Op.3 - "L'estro armonico" - Concerto No. 9 in D Major for solo violin: 1. Allegro" by Antonio Vivaldi. With a 103 BPM and 4 time signature, the rhythms flow in C♯/D♭ major. Spanning 2 minutes and 5 seconds, "12 Concertos, Op.3 - "L'estro armonico" - Concerto No. 9 in D Major for solo violin: 1. Allegro" radiates low energy from start to finish. Let the positive vibes of this track carry you away.