Wes Montgomery was an influential American jazz guitarist celebrated for his unique thumb-picking technique and his signature use of octaves. Performing frequently with his brothers Buddy and Monk Montgomery and often collaborating with organist Melvin Rhyne, he became a key figure in hard bop, soul jazz, and post-bop styles. In the mid-1960s, Montgomery shifted toward more pop-oriented instrumental albums that brought him wider recognition. His innovative guitar work left a lasting impact on jazz fusion and smooth jazz.