First 30 seconds of
J. S. Bach - Double Violin Concerto in D minor BWV 1043
Krakowska Młoda Filharmonia
Original Version
Recreated Version

Samuel Barber, Adagio, Op. 11 (Arr. Thibaudet for Piano)
Original Version
Recreated Version

Frédéric Chopin, Prelude in F sharp Minor, Op. 28, No. 8
Original Version
Recreated Version