"The greatest trumpet player I've heard in this life." -- Charles Mingus
Thaddeus Joseph Jones indeed was a great trumpetist, and a no lesser great composer and arranger.
He worked extensively for Count Basie, and co-led the Thad Jones/Mel Lewis Big Band for twelve years, before he relocated in Denmark.
An excellent beginning with Thad is on Debut, simply named Thad Jones.
Thaddeus Joseph "Thad" Jones (March 28, 1923 – August 20, 1986) was an American jazz trumpeter, composer, and bandleader.