I'm a big fan of classical music. Here are some of my favorites:
String quartets:
Schubert (13,14,15, quintet), Shostakovich (3,4,5,8), Janacek (1,2), Beethoven (1-16(!)), Prokofiev, Bartok, Philip Glass (3), Smetana (1)
Symphonies:
Sibelius (2,5,7), Mahler (1-10), Beethoven (3,5,6,7,8,9), Brahms (3,4), Bruckner (7), Prokofiev
Piano trios/quartets:
Schubert (2), Beethoven (archduke, ghost), Schumann (Mvt. 3, Op. 47), Brahms (Mvt. 3, Op. 60)
Voice:
Va, pensiero, sull'ali dorate, Belle nuit, ô nuit d'amour, Locus Iste
Violin:
Mozart sonatas, Tchaikovsky, Sibelius, Beethoven
Cello:
Bach cello suites, Beethoven, Don Quixote, Dvorak, Haydn, Saint-Saens, Rococo, Grieg, yes I'm a cellist ;)
Groups I particularly like:
Doric String Quartet (go hear their Beethoven!), Philadelphia Orchestra (having been there for 4+ years!)
Humor:
Viola section getting hammered, passive-aggressive rehearsals, musicians receiving compliments
Musical Moments:
I'm collecting what I think are some of the most moving moments in the history of the genre. The following links contain timestamps. Enjoy ;)
At the start of the work, Brahms wrote this beautiful melody:
Around 7-8 minutes into the piece, just when the music seems to be heading nowhere, with sheer emotional power, the melody reprises, transformed: