To celebrate his 92nd birthday, this profile looks back at the precocious little boy from Waukesha, Wisconsin, who punched new chords into his mother's piano roll, turned his bedsprings into a radio antenna and rigged a microphone out of telephone parts to get a bigger sound from his Sears & Roebuck acoustic guitar. The legendary Les Paul - father of the solid-body electric guitar, inventor of overdubbing and multi-track recording, king of the 50s pop charts and rock 'n' roll pioneer - is still irascible, still egotistical, still indefatigable, still performing and holding court every Monday night at the Iridium Jazz Club in New York City. He is the last of that self-educated, brilliantly innovative generation of media masterminds, who revolutionized popular music and reinvented global musical culture - still tinkering and still chasing the perfect sound.

Wednesday, 7/11/07 from 10-11:30 p.m. ET