Assertion: cd's data | /r/HasProperty | music
Facets:
Source sentences:
text: The data (music, computer data, etc.) on the metalised glass master is extremely easy to damage and must be transferred to a tougher form for use in the injection moulding equipment which actually produces the end-product optical disks.
text: The old fashion records uses a needle to play it's data (music) and the compact disk uses a laser.