ohn Coltrane was an American saxophonist, composer, and spiritual innovator whose work reshaped the direction of modern jazz. After early collaborations with Miles Davis and Thelonious Monk, Coltrane developed a distinctive sound rooted in harmonic exploration, intensity, and transcendence. His albums — from Giant Steps to A Love Supreme — remain foundational works in 20th-century music, blending technical mastery with deep spiritual searching.