1957
"Singing the Blues" The best-known recording was released in October 1956 by Guy Mitchell and spent ten weeks at number 1 on the U.S. Billboard chart from December 8, 1956, to February 2, 1957. An example of the U.S. recording is on Columbia #40769, dated 1956, with the Ray Conniff Orchestra.  Mitchell's version was also number 1 in the UK Singles Chart for three (non-consecutive) weeks in early 1957, one of only four singles to return to number 1 on three separate occasions

1960
"Cathy's Clown" was The Everly Brothers  first single for Warner Bros., after spending three years on Archie Bleyer Cadence label.  It sold eight million copies worldwide, spending five weeks at number one on the U.S. Billboard Hot 100 chart and one week on the R&B charts.  It spent seven weeks at number one in the UK Singles Chart in May and June 1960.  It would become the Everly Brothers' biggest hit single and their third and final US Number One. Billboard ranked it as the No. 3 song of the year for 1960.  In 2004, the song was ranked 149th on the Rolling Stone magazine's list of The 500 Greatest Songs of All Time.  
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1957
"Little Darlin"  The Diamonds  were a Canadian pop group that evolved into a Doo-Wop group.  The Diamonds' version of "Little Darlin" reached number two in sales for eight weeks on the Billboard Hot 100. Billboard ranked this version as the No. 3 song for 1957.

2004 (Little Darlin - "The Diamonds" / a bit older)
Who said we can't sound the same just because we're a little older?  I was shocked when I found this video and thought it needed to be shared!  I played this song a million times in HS (I'm sure many of us did).  I can't find much, if any, variation of the vocals from the original!

"Theme from A Summer Place" is a song with lyrics by Mack Discant and music by Max Steiner, written for the 1959 film A Summer Place, which starred Sandra Dee and Troy Donahue.  
Percy Faith recorded the most popular version of the theme, an instrumental orchestral arrangement, at the Columbia 30th Street Studio in New York City,  It was released in September 1959 as a single on Columbia Records,  credited to "Percy Faith and his Orchestra",  prior to the November 1959 release of the film A Summer Place.
The single was not an immediate hit and did not enter the Billboard Hot 100  singles chart until mid-January 1960, finally reaching #1 six weeks later on February 22, 1960.  It went on to set an at-the-time record of nine consecutive weeks at #1,  a record which would not be broken until 1977, when "You Light Up My Life" spent ten weeks at #1.