Listening to synthesizer music from across the ages, even synthesizer music with no synthesizers.

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Useful Links:
Music Sammler's SID Code List
Madonna's Discography SID Code List
Madonna's Discography SID Plant List With Matrix Images
CD matrix manufacturer / company identification and indexing thread

My Growing List of Mastering Engineers

Pressing Plant Numbers: 
6 = All Disc Records, Inc. All Disc Records, Inc.
16 = Sonic Recording Products, Inc. / Goldisc Recording Products, Inc. Sonic Recording Products, Inc. / Goldisc Recording Products, Inc.
18 = Presswell  Presswell
19 = Bestway Products Inc. Bestway Products Inc.
22 = Allied Record Company Allied Record Company
24 = Monarch Record Mfg. Co. Monarch Record Mfg. Co.
25 = Columbia Records Pressing Plant, Santa Maria Columbia Records Pressing Plant, Santa Maria
26 = PRC Recording Company, Compton, CA PRC Recording Company, Compton, CA
30 = Plastic Products Plastic Products
49 = Specialty Records Corporation Specialty Records Corporation
53 = Keel Mfg. Corp. (prior to '79) Keel Mfg. Corp.; Hauppauge Record Manufacturing Ltd. ('79 and later) Hauppauge Record Manufacturing Ltd.
54 = Shelley Products Shelley Products
56 = Columbia Records Pressing Plant, Pitman Columbia Records Pressing Plant, Pitman
60 = Sound Makers Sound Makers
70 = RCA Records Pressing Plant, Indianapolis RCA Records Pressing Plant, Indianapolis
72 = PRC Recording Company, Richmond, IN PRC Recording Company, Richmond, IN
73 = Columbia Records Pressing Plant, Terre Haute Columbia Records Pressing Plant, Terre Haute
74 = Electrosound Group Midwest, Inc. Electrosound Group Midwest, Inc.
76 = Hub-Servall Record Mfg. Corp. Hub-Servall Record Mfg. Corp.

LABELS 

LP label matrix example: (Led Zeppelin I) 
ST-A-681461-MO 

ST = stereo 
A = Atlantic Records label 
68 = last two digits of the year Atlantic first received source (tape) and started working on mastering 
1461 = tape master number (for side one in this example) 
MO = Monarch Records pressing plant 

Record company codes (the letters after "ST"):
A = Atlantic Records Atlantic
AS = Asylum Asylum Records
C or LC 0120 = Atco ATCO Records
CAP = Capricorn Capricorn Records
CO = Cotillion Records 45s Cotillion
CTN = Cotillion Records LPs Cotillion
FC or LC 1409 or LC 01409 = Famous Charisma Charisma
HT = Hilltak Records Hilltak Records
IL = Island Records Island Records
MC = Manticore Manticore
RS = Rolling Stones Records Rolling Stones Records
SS = Swan Song Swan Song

Pressing Plant Codes for LPs: 
AR = Allied Record Co., Inc., Los Angeles, CA Allied Record Company
BW = Bestway Plastics, Mountainside NJ Bestway Products Inc.
CP = Columbia (Pitman, NJ) Columbia Records Pressing Plant, Pitman
CS or CSM = Columbia (Santa Maria, CA; very infrequently) Columbia Records Pressing Plant, Santa Maria
CT or CTH = Columbia Records Pressing Plant, Terre Haute Columbia Records Pressing Plant, Terre Haute
FT = Research Craft
LY = Shelley Products, Huntington Station, NY Shelley Products
MG or MGS = MGM Record Mfg. Division, Bloomfield, NJ MGM Records Division
MO = Monarch Record Mfg. Co., Los Angeles, CA Monarch Record Mfg. Co.
PL or PP = Plastic Products, Inc., Memphis, TN Plastic Products
PR = Presswell Records Mfg. Co., Ancora, NJ (they handled most of Atlantic's LP's during much of this period) Presswell
RI = Philips Recording Co., Richmond, IN Richmond Record Pressings, Inc. Mercury Record Manufacturing Company Philips Recording Company, Inc. PRC Recording Company, Richmond, IN
SO = Southern Plastics Southern Plastics
SON or SO = Sonic Recording Products, Inc.
SP = Specialty Records Corp., Olyphant, PA Specialty Records Corporation

London Records label matrix suffix: 
AL - Allentown Record Co. Allentown Record Co. Inc.
BW - Bestway Products, Inc., Mountainside, NJ Bestway Products Inc.
GL - Decca/MCA, Gloversville, NY Decca Records Pressing Plant, Gloversville & MCA Pressing Plant, Gloversville
K - Decca/MCA, Pinckneyville, IL Decca Records Pressing Plant, Pinckneyville & MCA Pressing Plant, Pinckneyville
P - Columbia, Pitman, NJ Columbia Records Pressing Plant, Pitman
PH - PRC (formerly Philips) Recording Corp., Richmond, IN Richmond Record Pressings, Inc. Mercury Record Manufacturing Company Philips Recording Company, Inc. PRC Recording Company, Richmond, IN
SH - Shelley Products, Ltd., Huntington Station, NY Shelley Products
SM - Columbia, Santa Maria, CA Columbia Records Pressing Plant, Santa Maria
TH - Columbia, Terre Haute, IN Columbia Records Pressing Plant, Terre Haute
W - H.V. Waddell, Burbank, CA H.V. Waddell Co.

Columbia "360 Sound" Label Progression 
1962 - 1963 Black "360 SOUND STEREO 360 SOUND" (no arrows) 
1963 - 1965 Arrows were added on either side of "360 SOUND" 
1965 - 1970 White "360 SOUND STEREO 360 SOUND" 

Warner Bros. Label Progression 
Mono: 
1958-62 - Grey label, black WB Shield, WB in gold print 
1962-66 - Same, but in white print 
1966-67 - Gold Label 

Stereo: 
1958-67 - Gold label 
1968-70 - Green Label, Warner Bros. - Seven Arts Records. W7 logo under that. 
1970-73 - Green Label, Warner Bros. Records. w/ WB Shield 
1973-78 - "Burbank" Label 
1978-83? - White or beige label w/ Narrow horizontal lines 
1983?+ - White or tan label, no lines, large WB shield 

OTHER SCRIBINGS IN THE DEADWAX/RUNOUTS: 

︵︵〰 (birds) or メ or ❀、= Brian Gardner Brian Gardner
¢ = Tom Coyne Tom Coyne
⁄|⁄ǀ⁄|⁄ǀ⁄|⁄K = Randy Kling (mastering) Randy Kling
回-G-回 = MCA Pressing Plant, Gloversville MCA Pressing Plant, Gloversville
⋐riteriɑ = Criteria Recording Studios Criteria Recording Studios
⍺ʙ = Al Brown (5) Al Brown (5)
—◁ = Capitol Records Pressing Plant, Winchester Capitol Records Pressing Plant, Winchester
◈-P-◈ = MCA Pressing Plant, Pinckneyville MCA Pressing Plant, Pinckneyville
♡POGO = Keith Olsen's Pogologo, Inc. (Productions) Pogologo, Inc.
✲ or ☆ (prior to '64) = Capitol Records Pressing Plant, Los Angeles Capitol Records Pressing Plant, Los Angeles
◵ graphic of a disc and radius gauge for the A in Artisan Sound Recorders Artisan Sound Recorders
0 or CAP J or JW = Capitol Records Pressing Plant, Jacksonville
44 = All Disc Records, Inc.
ɑ looks like Q = Allied Record Company (usually followed by B-#####) Allied Record Company
ab or AB = Abbey Record Mfg. Co. (? we still don't know the exact meaning) 
ABS = Alex Sadkin Alex Sadkin
ACR = RCA Records Pressing Plant, Smiths Falls, Ontario RCA Records Pressing Plant, Smiths Falls, Ontario
AMP = ABC-Paramount
ARC or AL = Allentown Record Co. Inc.
ARP = American Record Pressing Co. 
AT = Mastered at Atlantic Studios Atlantic Studios
AT/DK (handwritten) = mastered by Dennis King at Atlantic Dennis King
AT/GP (handwritten) = mastered by George Piros at Atlantic George Piros
ATLANTIC STUDIOS DK (stamped) = mastered by Dennis King at Atlantic Dennis King
AZ CB = Chris Bellman at Allen Zentz Mastering Chris Bellman
BDI or B.D.I. = Brian Ingoldsby Brian Ingoldsby
BilBo = Denis Blackham
BK = Bill Kipper Bill Kipper
ʙʟ⍂ɪʀ or ʙʟ△ɪʀ = Chris Blair (mastering) Chris Blair
cg + "☮" = Chris Gehringer Chris Gehringer
Chet = Chet Bennett Chet Bennett
CMD = Calyx Mastering, usually Bo Kondren
CSB ♪♪ = Carlton Batts (usually with F/W) Carlton Batts
DC, whereas D is incorporated into the top of the C (usually associated with Masterdisk) = Dave Crawford (2) Dave Crawford (2)
dg = David Gold (3) (Gold Star Studios) David Gold (3)
DT = Dave Travis Dave Travis
DWJ = Darrell Johnson Darrell Johnson
ℰcK = Ralph Eck Ralph Eck
EDP [in oval] = Europadisk Pressing & Mastering Europadisk
ELA (followed by delta#) = Electrosound Los Angeles Electrosound Los Angeles
ℰMW = Electrosound Group Midwest, Inc. Electrosound Group Midwest, Inc.
ESR = Elektra Sound Recorders Elektra Sound Recorders
FW Ѽ or FWNY = Frankford/Wayne Mastering Labs Frankford/Wayne Mastering Labs
G or G1= Columbia Records Pressing Plant, Carrollton, GA Columbia Records Pressing Plant, Carrollton, GA
GC, ☆ or ⊗ (Baseball looking symbol) next to Sterling = Greg Calbi Greg Calbi
GF = Greg Fulginiti, of Artisan Sound Recorders Artisan Sound Recorders
GK = Gilbert Kong Gilbert Kong
GOL = Goldisc Recording Products, Inc. Goldisc Recording Products, Inc.
H.W. = Howie Weinberg Howie Weinberg
HERbiE :^) = Herb Powers Jr. (mastering) Herb Powers Jr.
IAM (Inside a Triangle), Anvil Logo, Castle Logo, House Logo = Capitol Records Pressing Plant, Scranton
ℐ⍺ = Jack Adelman Jack Adelman
JG = John Golden John Golden
JJ = John Johnson (3) John Johnson (3)
LH = Lee Hulko Lee Hulko
LW or LWP = Longwear Plating (maker of metal parts from lacquers) Enter as "Mastered At" Longwear Plating
LW (Warner Bros. releases that were pressed by Capitol) = Capitol Records Pressing Plant, Los Angeles
M = Mercury 
MA or MAX = Maxwell Anandappa
McM = Ron McMaster at EMI NY Ron McMaster
MF = Mike Fuller Mike Fuller
MG = MGM Records Division in Bloomfield, NJ (Pressing) MGM Records Division
MR (Encircled) = Lombardoni Publishing
Pecko Duck = George Peckham George Peckham
Porky or Porky Prime Cut = George Peckham George Peckham
POUNDA = Pounda
PP = Plastic Products Plastic Products
PR or PRC or (PR) = Philips Recording Company, Inc. (prior '73) Philips Recording Company, Inc. PRC Recording Company, Richmond, IN (10/72) PRC Recording Company, Richmond, IN
R3 or R4 = Mastered at Rainbo Records (on Capitol Pressing) Rainbo Records
RAYS = Ray Staff at Trident Studios, London Ray Staff
RB = Ron Boustead (Precision) Ron Boustead
RCA = RCA Victor [
RG = Rob Grenell, mastering engineer for Atlantic in the late 60's Rob Grenell
RJ = Ray Janos Ray Janos
RL = Bob Ludwig Bob Ludwig
Ƨ = Columbia Records Pressing Plant, Santa Maria Columbia Records Pressing Plant, Santa Maria
sƒ = Sam Feldman Sam Feldman
SG = Steve Guy Steve Guy
SH = Steve Hall Steve Hall
SM = Stephen Marcussen Stephen Marcussen
SMK (etched) = Sound Makers Sound Makers
SON or Son = Sonic Recording Products, Inc. Sonic Recording Products, Inc.
TA1PE = Tape One
TD = Terry Dunavan Terry Dunavan
THE WASP = Martin Birch Martin Birch
TJ = Ted Jensen Ted Jensen
TLC = The Lacquer Channel The Lacquer Channel
TS = Tommy Simmes Tommy Simmes
WM (W integrated atop M stamp) or (ᵛᵛ) = Wakefield Manufacturing Wakefield Manufacturing
WSS = Woodland Studios
WW (Warner Bros. Releases Pressed by Capitol) = Capitol Records Pressing Plant, Winchester
Recent Activity
submitted The Flaming Lips - The Yeah Yeah Yeah Song. 3 days ago
submitted Schubert*, Beethoven*, Festival Symphony Orchestra* - Unfinished Symphony No. 8 In B Minor / Fifth Symphony In C Minor, Opus 67. 13 days ago
submitted John Gibson - Traces. about 1 month ago
submitted Lusine* - Sensorimotor. about 1 month ago
submitted Ryley Walker - Golden Sings That Have Been Sung. 2 months ago
submitted Hollan Holmes - Prayer To The Energy. 2 months ago
submitted Wild Bill Davison And His Commodores - That's A Plenty. 2 months ago
submitted Shiny Toy Guns - We Are Pilots. 2 months ago
submitted Moiré - Gel EP. 2 months ago
submitted Moiré - No Future. 2 months ago
submitted Black Sabbath - Heaven And Hell. 2 months ago
submitted Faith No More - We Care A Lot. 3 months ago
submitted Donna Summer - Love To Love You Baby. 3 months ago
submitted The Voices Of Walter Schumann - The Christmas Voices Of Walter Schumann. 4 months ago
submitted The Fine Arts Quartet, Béla Bartók - String Quartets: No. 1, Opus 7; No. 2, Opus 17. 4 months ago
submitted Three Dog Night - Golden Bisquits. 5 months ago
submitted The Chemical Brothers - C-h-e-m-i-c-a-l (Edit). 5 months ago
submitted Kindred Lost - The Fly's Hour. 8 months ago
submitted Drome - The Final Corporate Colonisation Of The Unconscious. 8 months ago
submitted Drome - The Final Corporate Colonisation Of The Unconscious. 8 months ago
submitted Richie Havens - Mirage. 8 months ago
submitted Syreeta - Syreeta. 8 months ago
submitted Nelson Freire - Nelson Freire Interpreta Villa-Lobos. 8 months ago
submitted Louis Couperin - Christopher Hogwood - Suites For Harpsichord. 9 months ago
submitted Bashir Abdel Al* - The Art Of The Arabian Flute. 9 months ago
submitted Bernstein*, Ives*, New York Philharmonic* - Symphonies Nos. 2 & 3; The Unanswered Question. 9 months ago
submitted Françoise Hardy - Tamalou. 9 months ago
submitted Laurindo Almeida With Bud Shank - Brazilliance Volume 1. 9 months ago
submitted Sarah Vaughan - The Roulette Years - Vols. 1 & 2. 9 months ago
submitted A Tribe Called Quest - The Low End Theory. 9 months ago
submitted The Police - Ghost In The Machine. 10 months ago
submitted Jean-Michel Jarre - Electronica 2 - The Heart Of Noise. 11 months ago
submitted Floorplan - Music / Tell You No Lie. 11 months ago
submitted Makeup And Vanity Set - Hit TV. 11 months ago
submitted Makeup And Vanity Set - Hit TV. 11 months ago
submitted Makeup And Vanity Set - Hit TV. 11 months ago
submitted Makeup And Vanity Set - Hit TV. 11 months ago
submitted Makeup And Vanity Set - Hit TV. 11 months ago
submitted Makeup And Vanity Set - Hit TV. 11 months ago
submitted Perturbator - The Uncanny Valley . 11 months ago
submitted Perturbator - The Uncanny Valley . 11 months ago
submitted Perturbator - The Uncanny Valley . 11 months ago
submitted Perturbator - The Uncanny Valley . 11 months ago
submitted Nisennenmondai - #N/A. 12 months ago
submitted John Carpenter - Lost Themes II. about 1 year ago
submitted Via App - Pro-V. about 1 year ago
submitted Via App - Pro-V. about 1 year ago
submitted Via App - Pro-V. about 1 year ago
submitted Via App - Pro-V. about 1 year ago
submitted Via App - Pro-V. about 1 year ago