Bonus Song: Frankie Valli's "Grease" Theme Everyone knows and loves the hit movie song with the lyric "Grease is the word", but did you know it was sung by The Four Seasons' lead vocalist?

Frankie Valli and the Four Seasons ... “Working My Way Back To You,” “Can't Take My Eyes Off You,” “Grease,” "My Eyes Adored You," “Who Loves You” and “December ‘63 (Oh What ...

If you didn't know any better and simply heard "My Eyes Adored You" on the radio in 1974, you would have thought it was just a well-constructed comeback hit for Frankie Valli as he attempted a solo ...