Allegro, 1st Movement from Concerto No.1 In E Major RV 269, Spring by Antonio Vivaldi (1678- 1741). This is one of the most recognized pieces of classical music in the entire worldlt. It's been used everywhere, TV shows, commercials, film and radio.
Allegro, First Movement from Concerto No.3 In F Major RV 293, 'Autumn' by Antonio Vivaldi (1678- 1741). This is probably the second most famous movement from the Four Seasons, next to the 1st movement from 'Spring'.