| General info : | | Essential (also known as Essential Records and Essential! Records) was a sub-label of Castle Communications PLC specialising in reissues & compilations, then becoming a division of Castle Music Ltd. in 1999 when Castle Communications PLC was taken over by Sanctuary Records Group Ltd., the label was phased out after 2000. | |
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| Source : | | Discogs (www.discogs.com/label/36366-Essential) | |
| Relations : | | Sublabel of : Castle Communications PLC | |
| Relations : | | Sublabel of : Castle Music Ltd. | |
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