Conversation so far:
where was the picture of abbey road taken
The Abbey Road album cover image was shot on a street in north-west London.
what does the album abbey road sound like
The album Abbey Road incorporates genres such as blues, rock and pop, and makes prominent use of Moog synthesizer, sounds filtered through a Leslie speaker, and tom-tom drums.

Question: what is unique about the album
Self-contained rewrite: what is unique about the album abbey road