"Imagine" is a song written and performed by the English musician John Lennon. The best-selling single of his solo career, its lyrics encourage the listener to imagine a world at peace without the barriers of borders or the divisiveness of religions and nationalities, and to consider the possibility that the focus of humanity should be living a life unattached to material possessions.
The song peaked at number three on the Billboard Hot 100 and the LP reached number one on the UK chart in November, later becoming the most commercially successful and critically acclaimed album of Lennon's solo career. Although not originally released as a single in the United Kingdom, it was released in 1975 to promote a compilation LP and it reached number six in the chart that year. The song has since sold more than 1.6 million copies in the UK; it reached number one following Lennon's death in December 1980.
A UK survey conducted by the Guinness World Records British Hit Singles Book named it the second best single of all time, and Rolling Stone ranked it number three in their list of "The 500 Greatest Songs of All Time". Dozens of artists have performed or recorded versions of "Imagine", including Madonna, Stevie Wonder, Joan Baez, Elton John, and Diana Ross.