** HOLD FOR RELEASE UNTIL 12:01 EDT WEDNESDAY AUG. 12, 2009 ** In this Sept. 21, 1964, file photo The Beatles, from left, Paul McCartney, Ringo Starr, John Lennon and George Harrison board a plane for England at a New York airport with some of their fans in the background. A new poll by the Pew Research Center examining the generation gap four decades after Woodstock and the rebel yell of 1960s youth finds that rock and roll rules across generations and the Beatles are high on the list of every age group's favorite bands. Michael Jackson was the No. 1 pick in the under 30 group, the Eagles topped out in the 30-49 age group, and the Beatles topped the 50-64 age group. For those 65 and older, Frank Sinatra can't be beat. (AP Photo, File)