Conversation so far:
Is Her Majesty the name of a Beatles' album?
recorded by McCartney on 2 July when he arrived before the rest of the group at Abbey Road.
Did the rest of the Beatles' like "Her Majesty"?
The Beatles liked this effect and included it on the album.
What was the effect that the Beatles' liked?
cut a playback lacquer of the whole sequence, including "Her Majesty".
How was "Her Majesty" received by the public?
CANNOTANSWER.

Question: Did any other musicians besides the Beatles contribute to "Her Majesty"?
Self-contained rewrite: Did any other musicians besides the Beatles contribute to "Her Majesty"?