The Who’s first (and, in some ways, only) live album, Live At Leeds, has been cited by many as the greatest live rock album of all time. (I agree)
It’s an especially interesting album in The Who’s catalog since it is really the only album that gives you a real glimpse at just how much more powerful they sounded as a live act.
In particular, I’m always really struck by John Entwistle’s performance on “Sparks”. Between about 0:59 and 1:18 is just phenomenal.
(Also: The remixed-live version of “Magic Bus” on Live At Leeds is spectacular)