Castle Music

Publishing entity. Generally connected to Australian (& New Zealand) Releases

Please, consider also Castle or Castle Music Pty. Ltd. if stated that way on the release.

Castle Music (one of EMI's two music publishing subsidiaries, the other being Belinda Music (Aust) Pty. Ltd.)
In February 1968 they replaced it's text based royalty stamp with one in the shape of a castle. This can help with dating late 60s releases.