John Hassell is an American trumpeter and composer known for his innovative approach to music. He has been influential in the development of ambient and electronic music, blending jazz with various genres. His unique sound often incorporates the use of electronic effects and unconventional techniques, making his work distinct. Throughout his career, Hassell has collaborated with notable artists, including Brian Eno and David Byrne. He is also recognized for his contributions to film scores and has released several solo albums. His music often explores themes of nature and spirituality, reflecting his interest in world cultures and sounds.