Assertion: nirvana's song | /r/CapableOf | switch to higher key
Facets:
value: outside his register
type: LOCATION
Source sentences:
text: Stripped down to just Cobain and an acoustic guitar, switched to a higher key nearly outside his register, the song was much better served on the MTV Unplugged in New York performance, revealing a hushed anguish and a fraught plea in the lines.