This paper investigates the influence of jazz on the nine solo trumpet compositions of the French composer Eugène Bozza (1905-1991). Bozza, like many other French composers in the first half of the 20th century, combines traditional elements of western European art music with innovations of American popular music. While Bozza holds a prominent role as a composer of solo trumpet literature in the mid-20th century, little has been written about the influence of jazz in his works. This paper traces the influences of American jazz upon French composers and analyzes the elements of jazz within Bozza's compositions for solo trumpet by comparing them to conventions employed by jazz composers.