David Letterman’s First Radio Audition Tape Exposed (AUDIO)

I couldn't believe the Shane Company has been in business as long as it has when I listened to the first David Letterman radio audition tape. Dave had to get his start somewhere, and radio was his first stop on the long road to a successful broadcasting career.

As Letterman said goodbye Wednesday, we enjoy his beginnings as you can hear the small moments of brilliance in this audition tape.