Classical Music question.

Classical Music question. Please help me identify the musical elements you hear, using the appropriate terminology—as well as writing your reactions and experiences with those elements.Here is the link: http://www.youtube.com/watch?v=f9sVpgcsUKUAll the musical elements that you can should all come from the link above, do not find use other music video.This piece of music is: Violin Concerto No.4 in D major K.218 1st Movement - Allegro By Wolfgang Amadeus Mozart