"I Can Sing a Rainbow" is a popular song written by Arthur Hamilton

Arthur Hamilton

Arthur Hamilton is an American songwriter, who is best known for writing the song "Cry Me a River", first published in 1953 and most famously recorded by Julie London in 1955....

. It was featured in the 1955 film Pete Kelly's Blues where it was sung by Peggy Lee

Peggy Lee

Peggy Lee was an American jazz and popular music singer, songwriter, composer, and actress in a career spanning six decades. From her beginning as a vocalist on local radio to singing with Benny Goodman's big band, she forged a sophisticated persona, evolving into a multi-faceted artist and...

. A recording of the song in a medley with "Love is Blue" reached number 22 in the US pop charts

Record chart

A record chart is a ranking of recorded music according to popularity during a given period of time. Examples of music charts are the Hit parade, Hot 100 or Top 40....

 in 1969.

In 2004 Delta Goodrem

Delta Goodrem

Delta Lea Goodrem is an Australian singer-songwriter, pianist, and actress. Signed to Sony at the age of 15, Goodrem rose to prominence in 2002, starring in the Australian soap opera Neighbours as Nina Tucker. Goodrem has achieved eight number-one singles and three number-one albums in her home...

 sang the song in a TV advertisement for Tourism Australia

Tourism Australia

Tourism Australia is a statutory authority of the Government of Australia, with responsibility for tourism marketing within Australia and internationally, as well as research and forecasting of domestic and global tourism trends...

 that aired in many countries. It was also the closing theme song for the Philadelphia children's TV show, Captain Noah and His Magical Ark

Captain Noah and His Magical Ark

Captain Noah and His Magical Ark was a television program for children and was generally broadcast around the Philadelphia area. The series aired from 1967 to 1994. It was film and produced at the WPVI-TV, Channel 6 studios in the Philadelphia, Pennsylvania.Captain Noah and His Magical Ark, was...

. The song has been used to teach children names of colours. However, despite the name of the song, not all the colours mentioned are actually colours of the rainbow

Rainbow

A rainbow is an optical and meteorological phenomenon that causes a spectrum of light to appear in the sky when the Sun shines on to droplets of moisture in the Earth's atmosphere. It takes the form of a multicoloured arc...

, and they are not presented in order of the visible light spectrum.