Most kinds of rock from the '50s to the present
Classical
Ethnic from all over the world
Opera/operetta
Jazz/swing
Techno
Trance
Medieval and Renaissance
Red Hot Chili Peppers for the win!

Herodotus - History
Euripides - Medea
Ovid - Metamorphoses
Plutarch - Lives
Anonymous - Beowulf
Boccaccio - Decameron
Dante - Commedia divina
Anonymous - Poetic Edda
Eschenbach - Parsifal
Chaucer - Canterbury Tales
John Barbour - The Bruce
Dame Julian of Norwich - Revelations of Divine Love
Machiavelli - The Prince
Shakespeare - Henry V, Henry IV, Midsummer Night's Dream, just about anything else
Johnson - Every Man In His Humour, Every Man Out of His Humour
Pepys - Diary
Marlowe - The Tragical Historie of Dr Faustus
Milton - Paradise Lost
Dryden - Absalom and Achitophel
Swift - Gulliver's Travels, A Modest Proposal, and any of his essays
Fielding - The History of Tom Jones, a Foundling
Voltaire - Candide
Walpole - The Castle of Otranto (the first Gothic novel)
Payne - The Age of Reason
Franklin - Autobiography
Austen - all six books
Shelley - Frankenstein
Scott - Ivanhoe, Waverly,
Goethe - Faust
Darwin - Voyage of the Beagle
Dumas - The Three Musketeers and its sequels, The Black Tulip
Dickens - Great Expectations, Oliver Twist, A Tale of Two Cities
Thackeray - Vanity Fair
Stowe - Uncle Tom's Cabin
Alcott - Little Women, Little Men, any of her other books
Twain (Clemens) - Tom Sawyer, Huckleberry Finn, Innocents Abroad, any short stories
NICONT Hebrews
C.S.Lewis - The Great Divorce, The Screwtape Letters, Surprised By Joy, Mere Christianity