William Tell Overture- Rossini (Most famous part at 8:45, but why not listen to the whole thing?)

Also Sprach Zarathustra- Strauss

Eine Kleine Nachtmusik- Mozart

Symphony 94, Mvt. 2 “Surprise Symphony”- Haydn 

Toccata and Fugue in d Minor-Bach

Nocturne Op. 9 No. 2- Chopin

Rondo alla Turca- Mozart

Sinfonie de Fanfares: Rondeau- Jean-Joseph Mouret

The Four Seasons: Spring- Vivaldi (I just linked to the whole thing because it’s great)

Jesu, Joy of Man’s Desiring- Bach

O Fortuna (from Carmina Burana)- Carl Orff

Funeral March- Chopin

Orpheus in the Underworld: Infernal Galop (A.K.A. Can Can)- Offenbach

Pomp and Circumstance (You probably graduated to this)- Elgar

Gayane: Sabre Dance- Aram Khachaturian

A Midsummer Night’s Dream: Wedding March- Mendelssohn

Carmen: Les Toreadors- Bizet

The Ride of the Valkyries- Wagner

Für Elise- Beethoven

Dance of the Hours- Ponchielli

Rigotello: La Donna e Mobile- Verdi

Night on Bald Mountain- Mussorgsky

Romeo and Juliet: Love Theme- Tchaikovsky

Entry of the Gladiators- Julius Fucik

Lakmé: Flower Duet- Delibes

Peer Gynt: In the Hall of the Mountain King- Greig

Rodeo: Hoedown- Copland

Peer Gynt: Morning Mood- Greig

New World Symphony Mov. [2][4]- Dvorak

Ave Maria (You knew this, but did you know that it was by Schubert?)

Canon in D- Pachelbel

Flight of the Bumblebee - Rimsky-Korsakov

Finale to the 1812 Overture - Tchaikovsky

Der Holle Rache kocht in meiner herzen (aka the Queen of the Night aria) - Mozart

Libiamo ne’ lieti calici - Verdi

Largo al factotum - Rossini

Overture to The Barber of Seville - Rossini

The Blue Danube Waltz - Strauss

Moonlight Sonata (mvmt. 1) - Beethoven

Symphony No. 5 - Beethoven

THE MOMENT WHEN IT’S LOOPING AND THE HAT MAGICALLY POPS UP ON HIS HEAD AGAIN