Aerosmith guitarist Brad Whitford will miss part of the band's upcoming tour as he recovers from an undisclosed surgery. According to Aerosmith reps, Bobby Schneck, who has been a fill in before with Green Day, Weezer and Slash, will take Whitford's place during the upcoming shows. Aerosmith hits the road Wednesday in Maryland Heights, MO. The band did not disclose how many shows they expected Whitford to play, if any, on the tour.