IMAGINE

"Imagine" is a song by John Lennon, which first appeared on his 1971 album, Imagine. It was released as a single in the same year, and reached number three in the USA charts, and number six in the United Kingdom. One of his best-known and most influential works, it is often considered Lennon's Magnum opus.

In the book Lennon in America, Lennon commented that the song was an anti-religious, anti-nationalistic, anti-conventional, anti-capitalistic song, but because it's sugar-coated, it's accepted. (Wikipedia)