"The End" is a song which was released (in the United States) as a 1958 single by Earl Grant

Earl Grant

Earl Grant was an American easy listening pianist, Hammond organist, and vocalist popular in the 1950s and 1960s.-Career:...

. Grant's single on the Decca

Decca Records

Decca Records began as a British record label established in 1929 by Edward Lewis. Its U.S. label was established in late 1934; however, owing to World War II, the link with the British company was broken for several decades....

 label, featured Charles Bud Dant on orchestra; some pressings of the single were shown with the title "(At) The End (Of A Rainbow)". The single was Grant's only entry into the U.S. Top 40 reaching number seven on the Billboard Hot 100

Billboard Hot 100

The Billboard Hot 100 is the United States music industry standard singles popularity chart issued weekly by Billboard magazine. Chart rankings are based on radio play and sales; the tracking-week for sales begins on Monday and ends on Sunday, while the radio play tracking-week runs from Wednesday...

 and number sixteen on the R&B chart.

Nancy Sinatra

Nancy Sinatra

Nancy Sandra Sinatra is an American singer and actress. She is the daughter of singer/actor Frank Sinatra, and remains best known for her 1966 signature hit "These Boots Are Made for Walkin'"....

 recorded a cover-version of the song for her 1966 album "Nancy in London" and in 2007 this version of the song was used in a TV commercial for Vodafone

Vodafone

Vodafone Group Plc is a global telecommunications company headquartered in London, United Kingdom. It is the world's largest mobile telecommunications company measured by revenues and the world's second-largest measured by subscribers , with around 341 million proportionate subscribers as of...

mobile telephone services in the U.K.