noun
master license; master recording rights
Legal and music-industry term for the rights to the original master recording, distinct from composition or publishing rights.
原盤権を保有しているレコード会社が再発を許可した。
The record company that holds the master license authorized the reissue.
Compound of 原盤 (original master recording) and 権 (right). The exact historical derivation is uncertain, but the term is a modern legal coinage.