Assertion: optical disk | /r/CapableOf | play music
Facets:
Source sentences:
text: Optical disks are used to record and play music and movies and also to back up and store data.
text: At its simplest, an optical disc can load applications or play music or films, and at its most complex, in the form of a dual-layer, Blu-ray BD-RE disc, it can play high-definition (HD) movies and record up to 50GB of data.