Assertion: guitar's tuning | /r/HasProperty | b1 e2 a2 d3 g3 b3 e4
Facets:
value: most commonly
type: DEGREE
Source sentences:
text: These instruments are essentially nylon-strung classical guitars with one extra (usually) bass string, and the tuning is most commonly: B1 E2 A2 D3 G3 B3 E4.