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On his major-label debut Blak and Blu, you can hear the roar in Gary Clark Jr.'s blues guitar, and in his vocal throughout "Bright Lights." It's one of the few straight-up blues songs on what is essentially an introduction to one of the most highly praised young blues guitarists in recent times. While Clark comes out of a blues tradition, he's also a twentysomething who's taken in all of contemporary music.

In 1983, Berkeley poet and journalist Mark O'Brien wrote an article about sexual surrogates — women and men trained to help people with disabilities learn to use their bodies to give themselves and others erotic pleasure.

For O'Brien, the subject wasn't academic. After a bout of childhood polio, he had spent much of his life in an iron lung. He could talk, and tap out words on a typewriter holding a stick in his mouth. He could feel things below the neck. But he couldn't move his muscles.