Your search for "studio 1( pre ) (ja)" revealed the following:

KEN BOOTHE (AS DRAGONAIRES ORCH.) / DON DRUMMOND [Prevention / Scrap Iron]

KEN BOOTHE (AS DRAGONAIRES ORCH.) / DON DRUMMOND [Prevention / Scrap Iron]

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ID No. 241686 Label ROLAND & POWLIE (JA) Production Studio1-60 Genre Ska / [A] Male Vocal [B] Inst Condition VG+/VG Soundclip*ケン・ブースのデビュー曲。/ ソロが最高なドンドラモンドの代表曲。

AUBREY ADAMS & THE DUDROPPERS [West Kingston Express / Mellow Grove]

AUBREY ADAMS & THE DUDROPPERS [West Kingston Express / Mellow Grove]

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ID No. 242895 Label ALL STAR S (JA) Production Studio1-60 Genre Ska / Inst Condition VG+(HISS) Soundclip* rare coxsone jamaican jazz！ **全てのプレスにヒスノイズが乗ります、盤レーベルは綺麗です。