Peter Walker has been played on NTS over 20 times, featured on 21 episodes and was first played on 7 October 2016.

Peter Walker is an American guitarist playing in the popular-folk tradition. He first gained recognition in the Greenwich Village folk scene of the Sixties before recording two albums in the mid-to-late sixties described as American folk-raga. He has studied with Ravi Shankar and Ali Akbar Khan, and was Dr. Timothy Leary's musical director. In recent years, he has become more interested in and reflective of Spanish Flamenco styles.