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The two names on a song that Guaranteed Greatness!.The Surnames of John Lennon and Paul McCartney All their songs Fucking Rocked! and if they didn't then they would get Ringo to sing it or give it to some other artist to sing it,usually resulting in a no 1 hit for them.
Lennon-McCartney = Unparalelled.
To be fair though George Harrison wrote some Awsome Tunes Too.

by The UrbanDick July 06, 2006