Overview: Broadcast of Prom 27: Ella and Dizzy: A Centenary Tribute A special Proms tribute to jazz greats Ella Fitzgerald and Dizzy Gillespie, in the centenary year of their births. Grammy Award-winning singer Dianne Reeves and sensational trumpeter James Morrison perform with the BBC Concert Orchestra under the baton of Hollywood music legend John Mauceri, as they showcase some of the music most closely associated with Ella and Dizzy.