"Cinderella Rockefella" was a novelty single written by Mason Williams

Mason Williams

Mason Williams is an American guitarist and composer, best known for his guitar instrumental "Classical Gas". He is also a comedy writer, known for his writing on the Smothers Brothers Comedy Hour, The Glen Campbell Goodtime Hour, and Saturday Night Live...

 and Nancy Ames, and most famously released by the Israel

Israel

The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...

i duo group Esther and Abi Ofarim

Esther and Abi Ofarim

Esther Ofarim is an Israeli female vocalist.She met Abi Ofarim, a guitarist and dancer, in 1959 and subsequently married him. With her husband and without him she began to sing Hebrew and international folk songs....

, a married couple, in 1968.

The song features yodelling and a somewhat 1920s style lyrics and music. Perhaps surprisingly, the structure of the song is a twelve-bar blues.

According to Radio Caroline

Radio Caroline

Radio Caroline is an English radio station founded in 1964 by Ronan O'Rahilly to circumvent the record companies' control of popular music broadcasting in the United Kingdom and the BBC's radio broadcasting monopoly...

 DJ Andy Archer, the song was the last to be played on Radio Caroline South on the night of March 2-3 1968, before its radio ship (like that of its sister station Radio Caroline North) was towed into harbour over unpaid debts on the morning of March 3.

Sources

• Mark Steyn
  Mark Steyn
  Mark Steyn is a Canadian-born writer, conservative-leaning political commentator, and cultural critic. He has written five books, including America Alone: The End of the World As We Know It, a New York Times bestseller...
  
  , Cinderella Rockefella: Song of the Week
• Where did they get that song?