"[1] Nic Jones of All About Jazz commented: "There's the same light and shade to be heard here as there is elsewhere, but here the animated passages conjure up only the man's own past, as if the fire hasn't so much dimmed as merely changed the color of its flames.

"[5] AAJ's Mark Corroto called the album "magnificent," and noted that Brötzmann's "live recordings are probably the best at capturing the essence of this great man's passion; and further, hearing him without accompaniment is a direct line into his thoughts.

"[6] Writing for The Free Jazz Collective, Stef Gijssels stated that the album is "sensitive at times, not sweet, but an acceptance of smallness, of someone alone in empty space, the opposite of the unrelenting blowing with his bands that leaves no second of chance to silence...

"[7] In a review for Point of Departure, Bill Shoemaker remarked: "Peter Brötzmann's music isn't mellowing with age.

"[8] Derek Taylor of Dusted Magazine wrote: "While Brötzmann has always been absent of artistic artifice and uncompromising in his insistence on emotive expression, his solo projects have opened avenues to experiment in more oblique areas... Lost & Found returns focus to the sort of hard-nosed blowing he does best while still leaving space for several 'out-of-character' surprises.