[1] The album consists of improvised music by Zorn and Moore that was recorded in the studio in real time with no edits or overdubs.

[2] AllMusic said: @ finds two of New York City's longest-running fringe dwellers churning out sheets of collaborative sounds that conjoin their respective and distinct states of constant freak-out...These seven improvisations sound inspired without feeling at all heavy-handed or urgent.

More so, "@" succeeds with the type of conversational playing that could only be achieved by two masters so deep into their craft that it probably feels a lot like breathing to them by now.The Free Jazz Collective's Martin Schray called the album "absolutely fantastic".

Writing shortly after the death of Lou Reed, he commented: "I guess Lou Reed would have liked this music if he had heard it, its abrasiveness, its harshness, its elegance, its sound, its diversity, its beauty.

"[3] A writer for The New Yorker described the album as "a spastic, free-jazz romp worthy of both their catalogues".