Which instrument is associated with John Coltrane?

Saxophone

John Coltrane, a master of both the tenor and soprano saxophones, is celebrated for his technical innovation and deep spirituality in his music. His 1964 album "A Love Supreme" is often considered his masterpiece and one of the most influential jazz albums. Coltrane explored the limits of harmony, rhythm, and melody, influencing not only jazz musicians but also artists from other genres. His constant quest for innovation and commitment to personal expression through music have made him a central figure in the development of modern jazz.