Oh well, so far I have squeezed a very limited number of pieces into my memory, perhaps barely enough for 2 recitals of different repertoire:
BACH
Prelude and Fugue in E (Well-tempered Clavier Vol.1 No.9)
Prelude in D minor (Well-tempered Clavier Vol.2 No.6)
BEETHOVEN (consider me a lazy memorizer in this composer!):
Fur Elise
Sonatas
Op.13 (pathetique) first movement, almost half of the second
Op.49 No.2 complete
Op.57 (appassionata) large portions from opening and ending movements
Op.81a (les adieux) complete
CHOPIN
Waltzes 1, 6 (minute waltz/waltz of the dog), 7, 14
Mazurka 26 in C# minor, Op.41 No.1
Etudes Op.10 No.1; Op.25 No.6 (thirds), No.11 (winter wind)
Scherzos 1, 2, 3
LISZT
Vallee d'Obermann (Annees de pelerinage I, No.6)
Sonetto 47, 104, 123 del Petrarca (Annees II Nos.4, 5, 6)
Apres un lecture du Dante (Annees II No.7)
Three Concert Studies (complete: il lamento, la leggierezza, un sospiro)
Transcendental Studies 1 (preludio), 5 (feux follets), 6 (vision), 11 (harmonies du soir)
LISZT-BUSONI
Grand Etude after Paganini: No.3 (La Campanella)
MOZART
Alla Turca (Turkish March) from Sonata in A, K.331
RACHMANINOFF
Polichinelle, Op.3 No.4
VILLA-LOBOS
O Prole do Bebe (Volume 1): No.5 (wooden doll), No.7 (o polichinelo)