Four Decades of Song was created in 1996.
Chapter Four - song - was created in 2003.
Juliet - The Four Pennies song - was created in 1964.
Four Leaf Clover - song - was created in 2006.
Four Kicks - song - was created on 2005-01-10.
Four Minute Warning - song - was created on 2003-08-04.
Rag Doll - The Four Seasons song - was created in 1964-06.
Walk Like a Man - The Four Seasons song - was created in 1985.
Big Girls Don't Cry - The Four Seasons song - was created in 1962-10.
Four score years, or eight decades.
The Purple Decades was created in 1982.
Decades Apart was created in 2010.
I'm assuming you mean "Bernadette" by The Four Tops. It was released on February 16, 1967.