I believe it was the first movement of Beethoven's Piano Sonata No. 1.
Beethoven Piano Sonata #5 In C Minor, Op. 10, No. 5 - 1. Allegro Molto E Con brio
Chopin's Polonaise in A flat, Op. 53
Grand piano
At the beginning of the episode, he's playing a part of: Franz Schubert's Piano Sonata No. 20 in A Major, D. 959, IV. Rondo. Allegretto. Later in the episode, he plays a duet with Roz which is: Mozart's Concerto No. 21.
Episode 3x01, The Purple Piano Project
episode 31
Chopin's Polonaise in A flat, Op. 53
Grand piano
At the beginning of the episode, he's playing a part of: Franz Schubert's Piano Sonata No. 20 in A Major, D. 959, IV. Rondo. Allegretto. Later in the episode, he plays a duet with Roz which is: Mozart's Concerto No. 21.
Episode 3x01, The Purple Piano Project
Season Two|Episode Twenty Wasted Talent
Tit-Willow By: Gilbert and Sullivan Major-General's Song By: Gilbert and Sullivan
Cegbd face
episode 31
Season 3, Episode 1 - The Purple Piano Project.
i don't have te piano notes but will give u advice it is Arabian Nights
The Fray
"Elegant Iggy