Question

Music appreciation

Answer 1

The form of the first movement is D Sonata. The term refers to "a piece played". It evolved designing a variety of forms until the Classical era when it got a great importance. Even though it has changed through the years, most of 21st C sonatas remain with the same structure. 

Answer 2

I'm in chior it's D I checked it's actually called Sontata Allegro. Good luck. have a nice day.