Some might joke that his vocal chords are indeed much older, but celebrated folk legend Bob Dylan turns 70 on Tuesday. Recently audio has surfaced from 1966, in which the singer speaks to a good friend during a flight from Nebraska to Colorado about struggling with addiction and contemplating suicide. It’s the latest in a long narrative about a truly singular singer whose mysteries are still being revealed. We take a listen to some of the audio in question, and music that made Dylan a force of musical nature.