Host Ryan Seacrest said the "Idol" producers have waited seven seasons for this to happen, and tonight's the night: "Idol" contestants have the chance to sing from the Lennon-McCartney songbook.
But what songs should they tackle?
And which classic would pair up best with which wanna-be?
We await your input in the comments below.
David Archuleta already cooed his way through "Imagine" by John Lennon — a taste of what's to come...