Clever people.
A few that I like, in no particular order: The Beatles, The Stone Roses, Oasis, The Verve, Seven Mary Three, Bruce Springsteen, Ocean Colour Scene, Coldplay, Buddy Holly, Bob Dylan, Paul Weller, Spacehog, CCR, Neil Young, John Lennon, Paul McCartney, George Harrison, River, The Sex Pistols, Ride, Tom Rush, The Black Crowes, Chris Robinson, John Lee Hooker, Nivana, U2, The Chieftans, The Dubliners, The Happy Mondays, Kasabian, Hurricane Number 1, Red Anthem, Inspiral Carpets, Supergrass, Mozart, Alice in Chains, Heavy Stereo, The Rolling Stones, Gordon Lightfoot, Stereophonics, Slowdive, Queen, Guns 'n Roses, Buffalo Springfield, Buffalo Tom, The Who, Black Rebel Motorcycle Club, Pink Floyd, Chuck Berry, Travis, The Talking Heads, Weezer, REM, The Clash, Sloan, The Doors, Thornes, Ryan Adams, Jet, The Dead 60's, Tom Petty, The Animals, Cracker, Joni Mitchell, Ian Brown, John Entwistle, The Strokes, The Velvet Underground, Lou Reed, The Kinks, The La's, Jimi Hendrix, Led Zeppelin, Paul Simon, Simon and Garfunkel, Peter Paul and Mary, The Jesus and Mary Chain, Primal Scream, The Boo Radleys, The Small Faces, Arctic Monkeys, Echo and the Bunnymen, The Cure, The Coral, Brian Wilson, The Beach Boys
Lots
Some
Pretty much any biography on any interesting person, any left-leaning political book, and right-leaning ones for laughs