Jon Hassell (born March 22, 1937, Memphis, Tennessee) is an American musician and trumpet player. He is most well-known for his special trumpet technique learned from training with Indian classical musicians such as singer Pandit Pran Nath. Hassell learned to apply a unique style of trumpet playing by mimicking Nath's vocal stylings, and later connected with Brian Eno and began using harmonizer effects on his recordings. Hassell is also known as the creator of "Fourth World" music