What is/are your the most favourite composer s ?

At the top of my list are Bach, Schubert, Vaughan Williams, and Arvo Pärt. Of course, this doesn't even scratch the surface :-).

Mahler, Brahms, and J S Bach, for emotional involvement. This is one difficult question, you know!

Mozart

The guy never erased a note. Gotta admire someone who wastes no ink.

His classical compositions are not only technically amazing but amazingly popular. I never liked opera until I had to study Don Giavonni (spelling) in college. ALl I can say is that Mozart knew how to make opera both interesting and accessable while being musical masterpieces at the same time.

Critics might poo-poo popularity, but there is something to be said for being able to create music with such universal appeal. Especially when a genius creates art which has such a wide audience. 99 times out of 100 geniuses are so disconnected from reality and the common man that their work is only enjoyed by an elite minority who are extreme fans of the art already.

KF

Hands down my favorite is Rachmaninoff, how ever honorable mentions go to:
The Strauss clan(but in particular Eduard and Johann Jr.)
A Dvorak
J Offenbach
J Brahms
G Mahler
WA Mozart
JS Bach
M Ravel
C Debussy
L Bernstein
S Prokofiev
P Tchaikovsky
P Warlock
and of course F Chopin

The one who I am not enamoured with(don't know why) is LV Beethoven. Any thing from the Baroque period is very interesting to me in particular the Harpsichord- I simply love the harpsichord for an unknown reason. I am sure I missed some greats but this was a quick list.