My top 5:
Beethoven
Sibelius
Debussy
*gasp* Verdi (I generally love operas though
, Wagner & Mozart - Runners up!)
Bach
And my top 5 works would be:
1. Debussy - La Mer
2. Verdi - La Traviata
3. Sibelius - En Saga
4. Bach - Goldberg Variations
5. Beethoven - Piano Sonata No. 21 in C major (Waldstein)