Mastering
A
real name Guy Fletcher
A is credited on 1,714 pressings across 831 albums tracked on Gatefold, active 1950–2023 — the collector-built map of who actually made the music.
1,714
Credits
831
Albums
8
Decades active
1,347
In collections
Biography
At Decca Studios, London (UK), the engineer who made a cut was identified by a letter at the end of the matrix number.
Fletcher was A, please use this alias when entering a lacquer cutting credit derived from the runouts.
After the PolyGram takeover, Fletcher used X (Alias: X).
Bio from Discogs
Credited work
1,714 releases · 831 albums · active 1950–2023
- Mastering · 1,725
Studios: Regent Sound Studios · Kingsway Hall · Victoria Hall, Geneva · RCA Studios, Hollywood
Discography
Records they worked on — most-collected first.

Let It Bleed
1969

Beggars Banquet
1968

Their Satanic Majesties Request
1967

Aftermath
1966

Out Of Our Heads
1965

Between The Buttons
1967

Big Hits (High Tide And Green Grass)
1966

The Rolling Stones
1964

Flowers
1967

Through The Past, Darkly (Big Hits Vol. 2)
1969

On The Threshold Of A Dream
1969

Blues Breakers
1966

Elvis' Golden Records
1958

12 X 5
1964

To Our Childrens Childrens Children
1969

Green Onions
1962

From Genesis To Revelation
1969

Cricklewood Green
1970

Ssssh.
1969

A Hard Road
1967

Bare Wires
1968

Raw Sienna
1970

Stonedhenge
1969

Crusade
1967
Frequent collaborators
- Beethoven
- Mozart
- Tchaikovsky
- Various
- Brahms
- Schubert
- Dvořák
- Mantovani And His Orchestra
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