let it be
/Facts about Let it Be ~ the Beatles
Paul McCartney wrote this song. It was inspired by his mother, Mary, who died when he was 14. Many people thought "Mother Mary" was a biblical reference when they heard it.
McCartney had a dream one night when he was paranoid and anxious. He saw his mom who had been dead for ten years or so; she came to him in his time of trouble, speaking words of wisdom. This brought him much peace when he needed it. It was this sweet dream that got him to begin writing the song.
In 2001, McCartney helped organize the "Concert For New York," to benefit victims of The World Trade Center disaster. He closed the show with this, inviting the other acts and some New York cops and firefighters on stage to sing with him.
Sesame Street used this with the title changed to "Letter B." The lyrics were changed to list words that begin with B.
The album had the largest initial sales in US record history up to that time: 3.7 million advance orders.
You'll hear different guitar parts on different versions on this song, as there were several overdubs of the solo. On April 30, 1969, George Harrison overdubbed a new guitar solo over the best take from the January 31, 1969 session. Harrison overdubbed another one on January 4, 1970, but there's a possibility that it was actually McCartney on that overdub. The first overdub solo was used for the original single release, and the second overdub solo was used for the original album release. The Let It Be... Naked version is the one from the movie.
This was the first Beatles song released in The Soviet Union. The single made it there in 1972.