"You Know You Know My Name"

In the spring of 1967, John Lennon visited Paul McCartney at his home on Cavendish Ave in London and spotted the London telephone book with the slogan "You know their name? Look up their number". This mantra would be repeated over and over in John's mind and he set music to it.
On a May 17th 1967 recording session, a rhythm track was recorded with acoustic guitars, bass and drums. After 14 attempts the ninth take was chosen and the session came to a close. Fast forward to another session on June 07 with overdubbed piano. The next day (June 08 1967) Brian Jones of the Stones appeared at EMI Studios after Paul had asked him to contribute to the track. Brian brought along an alto sax and many versions of the mantra were recorded which would be edited together to complete the track.
Along with take 09 of the first part recorded back in May, four other parts would be recorded on June 08 as well with Paul on piano, Brian Jones on sax (on the "ska" section and the "Jazz club" section as well). There was also a "nightclub" section with some latin type percussion and the final "Part 5" section featuring noisemakers. All of the five parts were edited together and called take 30. These parts were then transferred to one track of a four track tape and basically left there for the time being.
In the spring of 1969, on April 30 in EMI Studio 3, John and Paul added their silly voices to the backing tracks of the various parts of "You Know My Name (Look Up The Number)" along with some background bits such as shouting, applause, etc. Three mono mixes of the song were also completed on this date.
Fast forward to November 26 1969 and the original intent was to release the tune along with "What's The New Mary Jane" as a single and credit the songs to the Plastic Ono Band.
The mixed used was the third mono attempt with two minutes and seventeen seconds edited out. The song was eventually released commercially as the B-side to the Beatles' Apple Single "Let It be" in 1970.
The song remained in mono until the Anthology project when it was released commercially in stereo for the first time. Unfortunately, this edit removed 27 seconds including parts of the commercial release as well as fading out a few seconds before the ending. This stereo, edited version can be heard commercially on the Apple 3LP/2CD "Anthology 2". The entire unedited song can be heard on bootleg (lasting over six minutes) on the title "Upgraded Collection-Highlights" in mono/stereo.