When faced with such a question, my reaction is always to answer that it’s OK to like what you like and that you shouldn’t force yourself to listen to things that bore you.
However you’re looking for specific, theoretical reasons and pulykamell has provided an excellent summary in his first post.
Like many others, I don’t care much for Baroque and Classical-era music (the huge exception being Bach). The best I can say about **Haendel **'s music is that it’s pleasant. As far as Mozart is concerned, I’d save Don Giovanni and, to lesser extent, his Requiem plus a couple of concertos and late symphonies (38, 40). That’s about it. They way I hear it, Baroque and (even more so) Classical music are all about pretty melodies with fairly predictable modulations in rigid structures (a typical work will have movement 1 in sonata form, 2 as a slow movement, 3 as a scherzo or minuet and 4 as a fast concluding movement). All of this was masterly done by the major composers from those eras.
But I expect more from music than pleasant melodies in a set form. I want to be surprised, amazed, moved and, sometimes puzzled. I don’t always want a clear, unambiguous V-I ending. And if it gets there, then I prefer the journey to be bumpy and full of weird turns. And that’s why as far as I’m concerned, things start being interesting with Beethoven.
I’d even go as far as saying that Beethoven was one of the greatest musical architects in western music. The way he structures his work is breath-taking. I don’t consider him as a great melodist (his themes rarely move me) but what he does with his melodies (or sometimes fragments of melodies, mere motifs) is quite simply magnificent.
So, if I make a list of my favourite composers, don’t be surprised to see Bach as the only Baroque composer and a big black hole between 1750 and 1800. Chronologically, the list would go:
Bach
Beethoven
Chopin
Brahms
Tchaïkovsky
Fauré
Debussy
Prokofiev
Dutilleux
Ligeti
In short, it’s Bach + music from 1800 up to now.
Among these, I consider Bach, Beethoven and Brahms as masters of structure. Tchaïkovsky appeals to me for the quality of his melodies and so does Fauré but in a more subtle way. Chopin - can there be more heart-breakingly beautiful music? The more modern composers (Debussy, Prokofiev, Dutilleux and Ligeti) fascinate me with their mysterious, oneiric soundscapes.
Good choice (that’s Op. 9 No. 2, right?). I’d go with the one in G minor (Op. 15, No. 3)