It depends if you mean beautiful for arrangements, vocals, etc.. or because they're emotional and means something for yourself only. Anyway I'll try to do my best
here mines (they're not in order though):
HEAVEN
BRILLANTE
November
Heartplace
A Song for ×× ''030213 Session #2''
winding road
Moments
Memorial address
Liar
forgiveness
do it again
RAINBOW
SURREAL
maybe I don't play some of them that often, but everytime I do I'm stunned by how much beautiful they are