John Martyn was a British singer‑songwriter whose work blended folk, jazz, and atmospheric experimentation into a sound that felt both intimate and adventurous. Emerging in the late 1960s, he developed a distinctive guitar style that used effects and fluid phrasing to create rich, textured moods. His voice carried a warm, expressive roughness that deepened over time, giving his songs emotional weight and immediacy. Across a long, varied career, he pushed beyond traditional folk boundaries and built a catalogue that rewards close listening. His influence endures in artists drawn to genre‑blurring, soulful, and exploratory songwriting.