"If" is a song written by David Gates and recorded and released by his band Bread in 1971 on their album "Manna". It hit #4 on the Billboard Hot 100 chart on May 15th, 1971.
Bread
Aly and AJ, System F, and Delta Goodrem
Abba
Fred Astaire
Atomic Kitten
David Bowie wrote the song, since then other artists have recorded it.
Carl Douglas and Vivian Hawke
there are several artists who sang that song Deep in the night, or have the same title. but i think it was origonally sang by Etta James. the other artists who sang this song are Barbra Streisand, and Rage.
Aly and AJ, System F, and Delta Goodrem
Abba
Fred Astaire
Bryan Adams, he sang all the songs in the movie's soundtrack along with a few other artists. The music was composed by Hans Zimmer.
eddy arnold
Atomic Kitten
Blue Magic
Utopia (band)
Utada Hikaru
Neil Diamond