The songs of Beethoven, Chopin, Debussy, Mozart are more suited for intermediate piano player. It is better to prefer their songs and i am listing the songs of those piano players which may use for you...
Beethoven:
piano concerto no 5 in e flat (emperor) 2nd mvmt op 73 (adagio un poco mosso)
symphony no 7 in a 2nd mvmt op 92 (allegretto)
bagatelle in a minor woo 59 (fur elise)
Chopin:
prelude no 4 in e minor op 28 (suffocation)
prelude no 15 in d flat op 28 (raindrop)
piano concerto no 1 in e minor 2nd mvmt op 11 (romance - larghetto)
piano concerto no 2 in f minor 2nd mvmt op 21 (larghetto)
Debussy:
reverie L68
suite bergamasque 3rd mvmt L75 (clair de lune)
beau soir L6
Mozart:
fantasy no 3 in d minor k397
piano concerto no 21 in c (elvira madigan) 2nd mvmt k467 (romance - andante)