The Beatles ‘ “Lucy in the Sky with Diamonds” is one of the most unusual songs in the canon of pop music. John Lennon thought it was a love song.

The Beatles added some gorgeous bridges to their songs, and I think these four tracks are some of the best examples.

Linda was already an accomplished artist when she met Paul, and after the Beatles broke up in 1970, the couple became musical collaborators when Paul taught her to play the keyboard. In 1971, they ...