"You've Lost That Lovin' Feelin'" is a song written by Phil Spector, Barry Mann, and Cynthia Weil, and first recorded by The Righteous Brothers in 1964. The recording was produced by Spector, and it is considered by some music critics to be the ultimate expression and illustration of Spector's "Wall of Sound" recording technique. It has also been described by various music writers as "one of the best records ever made" and "the ultimate pop record". The Righteous Brothers' original version was a critical and commercial success on its release, becoming a number-one hit single in both the United States and the United Kingdom in February 1965. It was the fifth best selling song of 1965 in the US. It also entered the Top 10 in the UK chart on an unprecedented three separate occasions. The song has also been covered by numerous artists, including Elvis Presley, Cilla Black, Dionne Warwick, and Hall and Oates.