Andy Williams signature song was originally performed by who?
Moon River "Moon River" is a song composed by Henry Mancini with lyrics by Johnny Mercer. It was originally performed by Audrey Hepburn in the 1961 movie "Breakfast at Tiffany's", winning an Academy Award for Best Original Song. The song also won the 1962 Grammy Awards for Record of the Year and Song of the Year.
How Little We Know "How Little We Know" is a song written by written by Hoagy Carmichael and Johnny Mercer for the 1944 film "To Have and Have Not", where it is performed by the character "Slim" played by Lauren Bacall. A young Andy Williams recorded the song for the film as a possible alternative track to dub Bacall's low voice. Bacall said they used her singing. After the film's release it was a hit recording sung by Judy Johnson.