Part I
—cont.an order prescribing such different rate or amount, either generally or in relation to any one or more classes of records, as the Board may consider just:
Provided that—
(b) where an order comprising a class of records (that is to say, either a general order or an order relating specifically to that class, or to that class together with one or more other classes of records) has been made under this subsection, no further order comprising that class of records shall be made thereunder less than live years after the date on which the previous order comprising that class (or, if more than one, the last previous order comprising that class) was made thereunder.
(4) In the case of a record which comprises (with or without other material, and either in their original form or in the form of adaptations) two or more musical works in which copyright subsists—
(b) if the owners of the copyright in the works are different persons, the royalty shall be apportioned among them in such manner as they may agree or as, in default of agreement, may be determined by arbitration.
(5) Where a record comprises (with or without other material) a performance of a musical work, or of an adaptation of a musical work, in which words are sung, or are spoken incidentally to or in association with the music, and either no copyright subsists in that work or, if such copyright subsists, the conditions specified in subsection (1) of this section are fulfilled in relation to that copyright, then if—
(b) such previous records as are referred to in paragraph (a) of subsection (1) of this section were made or imported by, or with the licence of, the owner of the copyright in that literary or dramatic work, and
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