I wonder why...

"I Wonder Why" is a doo-wop song, written by Maxwell Anderson and Ricardo Weeks, and first recorded by Dion and the Belmonts in 1958. The song was used in the film, A Bronx Tale, in the pilot episode of the television series The Sopranos and in John Carpenter's film adaption of Stephen King's "Christine". (Source: Wikipedia.org)

Dion & The Belmonts




The Chiffons

Shout!

"Shout" is a popular and influential popular song, originally recorded by The Isley Brothers. Released in 1959, it was written by the brothers themselves. The song was inducted to the Grammy Hall of Fame in 1999. It ranked #118 on Rolling Stone's 500 Greatest Songs of All Time list. (Source: Wikipedia.org)

The Isley Brothers




The Shangri-Las




The Beatles

Please Mr. Postman

Its origins:



And then:

Blue Moooon

Although I thought it was a '60s hit, "Blue Moon" is much more older, being written in 1933! More info about its origin, here.

Here are some of its numerous versions:

1935 - Connie Boswell



1950 - Billie Holiday



1954 - Elvis Presley



1961 - The Marcels - doo-wop version :)



1964 - Dean Martin



1967 - Diana Ross & The Supremes



1994 - Chris Isaac



2004 - Rod Steward