Phanatical said:
Bach - Air on G
Vivaldi - Winter, from the Four Seasons
Mascagni - Main theme from Cavelleria Rusticana
Dvorak - Slow Movement, From the New World
Rachmaninov - Slow Movement, Piano Concerto No. 2
And so many more....
Can I add to those classical gems...
Allegri - Miserere mei
Faure - Requiem (especially the offertorium, in paradisum, agnus dei and libera me)
Puccini - Nessun Dorma
Orff - In trutina (Carmina Burana)
And the not so classical
Therion - Muspelheim (Secret of the Runes)
Sarah McLachlan - Elsewhere, Adia, Full of Grace, Possession (acoustic version)
Ben Folds - The Luckiest
Live - Overcome
Josh Groban and Lara Fabian - For Always
Joe Satriani - Always with me
Loreena McKennitt - Dante's Prayer, Skellig, The Old Ways
Musicals (there are sooo many of these, I have to skim)
This is the Moment - Jekyll & Hyde
When I Look at You - Scarlet Pimpernel
Please - Miss Saigon
As if We Never Said Goodbye - Sunset Boulevard
Green Finch and Linnet Bird - Sweeney Todd
Someone Else's Story, Anthem, Quartet - Chess
Gesthemane - Jesus Christ Superstar