Complex sentence: One of the most respected non-American jazz musicians was the guitarist Jean "Django" Reinhardt, who was born to a gypsy family and performed with famous musicians like Arthur Briggs, Bill Coleman, and Bill Arnold.
Split into simpler sentences: One of the most respected non-US Jazz musicians was the guitarist Jean "Django" Reinhardt. He was born on a gypsy family and performed with famous musicians like Arthur Briggs, Bill Coleman, and Bill Arnold.