John Evan Jethro Tull - Live At Montreux Jethro Tull: Stormwatch (40th Anniversary Force 10 Edition) Jethro Tull: Too Old to Rock'n'Roll, Too Young To Die! (The TV Special Edition)
John Evan, pseudonimo di John Spencer Evans (Blackpool, 28 marzo 1948), รจ un tastierista britannico. Wikipedia