Assertion: zither's string | /r/HasProperty | open
Facets:
Source sentences:
text: In addition to the five strings on the fretboard, standard concert zithers have 27 open strings; harp zithers have 37 open strings.
text: In addition to the five strings on the fretboard, standard concert zithers have 27 open strings; harp zithers have 37 open strings.
text: The strings are open, none being stopped to produce different notes.