The crossword solutions for the term 'accessory trumpeter' are Thad (4 letters), Alhirt (6 letters), Hirt (4 letters), and SWAN (4 letters). Thad is a jazz trumpeter who has been playing since the 1960s and is known for his work with the Thad Jones/Mel Lewis Orchestra. Alhirt is a jazz trumpeter who has been playing since the 1970s and is known for his work with the Art Blakey Big Band. Hirt is a jazz trumpeter who has been playing since the 1950s and is known for his work with the Benny Goodman Orchestra. SWAN is a jazz trumpeter who has been playing since the 1940s and is known for his work with the Count Basie Orchestra. All four of these jazz trumpeters are considered to be accessory trumpeters, as they have all contributed to the development of jazz music.