Assertion: banjo's tuning | /r/HasProperty | changed to pre-fixed note
Facets:
value: with one turn of the tuner
type: MANNER
Source sentences:
text: A special feature used on some bluegrass banjos are the Keith tuners : the tuners for the strings g and b are constructed in such a way that with one turn of the tuner the tuning of that string can be changed to another pre-fixed note.