Which song, written by John Lennon, utilizes an anchor point?
Anchor point: In audio and recording, what is known colloquially as an anchor point is a center position in a stereo mix reserved for only three or four important tracks. Anchor point:  Exceptions include early stereo recordings using "stereo-switching" (a three-way switch allowing only left output, right output, or both) rather than pan pots) such as the Beatles's "Strawberry Fields Forever" and Jimi Hendrix's "Purple Haze". Strawberry Fields Forever: "Strawberry Fields Forever" is a song by the English rock band the Beatles. Strawberry Fields Forever:  The song was written by John Lennon and credited to the Lennon–McCartney songwriting partnership.
Strawberry Fields Forever