Your search for "blank( sir j j) (uk)" revealed the following:

KILOWATTS [Real Cool Operator / Slot Machine]

KILOWATTS [Real Cool Operator / Slot Machine]

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ID No. 219991 Label SIR J J. / BLANK (UK) Production Sir JJ Genre Rock Steady / Group Vocal Condition VG+ Soundclip* Rare

THE ETHIOPIANS [Every Day Talking / Sharing You]

THE ETHIOPIANS [Every Day Talking / Sharing You]

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ID No. 211224 Label BLANK( SIR J J) (UK) Production Sir JJ Genre Early Reggae / Male Vocal Condition VG- Soundclip* Very Rare.