I'm a little late to the party but I am a huge fan of glee and I watched every episode (though I think the quality is falling hard) and when they do a episode about a band or artist, they talk a little about the band or artist to show that they know something about them. Here is what they say about the Beatles at the begging of the "Love Love Love" episode (that is part one out of the two Beatles episodes)
Tina: I don't think we've ever spent two weeks on an assignment, Mr. Shue.
Will: Hey, the Beatles are ...