The other is Will Ferrell.
Page6 has the scoop:
TONY Snow is still a rock 'n' roll animal. The White House press secretary, a classic-rock freak, got a visit there on Wednesday from his old pal Ian Anderson, the zany, flute-playing frontman of Jethro Tull. "I've played with Ian on stage before," Snow told us. "I actually taught myself to play the flute by listening to Jethro Tull albums."