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◕‿‿◕

ⓅⒸ ®

-1947 to 1968
Ⓐ or A = Artistique
Ⓜ or M = Médium
Ⓢ or S = Standard

Pathé Marconi alternate price code system (between 1967 and 1968 ):
A: Large orchestrations
B: small or medium orchestrations
C: Solo artists
D: Foreign artists.

Introduced 1968:
ⒹⓉⓊ
For 45RPM:
Ⓛ
For EPs
Ⓜ

Introduced 1970:
ⒷⒸⒺⒻⒼⒽⓇ

Introduced 1971:
ⒾⓀⓆⓌⓍ
For 45RPM:
NA (1971 - 1975)

BIEM/SACEM transition :1971

Introduced 1972:
Ⓩ
For 45RPM:
Ⓙ

Introduced 1973:
Ⓞ

Introduced 1974:
Ⓨ
For 45RPM:
Ⓝ
LA

Introduced 1975:
FB
For 45RPM:
Ⓔ

Introduced 1976 for 45RPM:
EA

Introduced 1977:
Ⓥ KC, RB, SE, SF

1979 until late 1984:
Company specific price codes: PM, POL, AE, PG, BA, CB, etc.

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Up to around 15 minutes of audio per side does not fit to the LP format, it is a more loud cut.
LP means Long Play microgroove cut. It allows to engrave up to approximately 30 minutes per side on a 12".

Discogs database discriminates between those two formats (see RSG §6.6).
Thereby, even if labels' marketing communication could sometime use 'LP' to notify that the release contains the usual amount of audio for an album, It should be understood as 'Long Playing release', not as 'Long Play cut'.

For example here is two different cuts for the same album:
-Original LP release: Roots
-Same audio material later distributed on a 2X12" 33RPM: Roots