It is Brahms Symphony No. 3 In F Major, Op. 90: 3 - Poco Allegretto. It's melody is actually used in Carlos Santana F. Dave Matthews - Love of my
Life.
Well there is lots of great Classical music out there.
Franz Liszt -
Dante Symphony - Finale. Purgatorio - Magnificat
Hungarian Rhapsody No.2
George Frederic Handel -
Messiah. I recomend this piece in its entirety. Although you will recognize certain movements within the piece such as the Hallelujah Chorus.
Richard Wagner -
Tannhauser - Die Pilger sind's (Pilgrims Chorus)
Tristan und Isolde - Liebestod
Antonin Dvorak -
Sympony No. 7 in D-minor. Third Movement.
New World Symphony
of course there is 'fur elise'..big fan of that.
i like edgar varese' a lot. got into him after reading about zappa liking him. lots of dense percussion going on in there.