Literary:
Sun Tzu - The Art of War (5th Century BC)
Confucius - Analects (5th Century BC)
Plato - The Republic (4th Century BC)
Aristotle - Nichomachean Ethics (4th Century BC)
Cicero - On Duties (1st Century BC)
Old Testament (Abrahamic Religious Text)
New Testament (Abrahamic Religious Text)
Marcus Aurelius - Meditations (2nd Century AD)
Quran (Abrahamic Religious Text)
Dante Alighieri - The Divine Comedy (14th Century AD)
Miguel de Cervantes - Don Quixote (1605)
Rene Descartes - Meditations on First Philosophy (1641)
John Milton - Paradise Lost (1667)
Baruch Spinoza - Ethics (1677)
Immanuel Kant - Critique of Pure Reason (1781)
Mary Shelley - Frankenstein (1818)
Soren Kierkegaard - Fear and Trembling (1843)
John Stuart Mill - On Liberty (1859)
Fyodor Dostoevsky - The Brothers Karamazov (1880)
Herman Hesse - Siddhartha (1922)
Bertrand Russell - The Conquest of Happiness (1930)
Aldous Huxley - Brave New World (1932)
George Orwell - Nineteen Eighty-Four (1949)
Gabriel Garcia Marquez - One Hundred Years of Solitude (1967)
Lois Lowry - The Giver (1993)
Nassim Nicholas Taleb - The Black Swan (2007)
Musical:
Classical (Mozart, Liszt, Johann Strauss, Tchaikovsky, Beethoven)
Classic Rock (Beatles, Pink Floyd, The Doors, Rolling Stones, Elton John, The Kinks)
R&B/Soul/Reggae (Four Tops, Sam Cooke, UB40, Bob Marley, Fats Domino, Stevie Wonder)
Folk/Country/Jam (Simon and Garfunkel, John Denver, Kenny Rogers, Allman Brothers Band, Grateful Dead)
Rap/Hip-Hop/Alternative (Tupac Shakur, Dr. Dre, Kendrick Lamar, Eminem, The Game, Kanye West, Gorillaz)
Bachata (Raulin Rodriguez, Anthony Santos, Frank Reyes, Hector Acosta, Romeo Santos)
Visual:
Claude Monet
Charlie Chaplin
Anti-War Films (Apocalypse Now, The Deer Hunter, Pretty Village Pretty Flame, Full Metal Jacket, Forrest Gump, Johnny Got His Gun)