Assertion: lute's string | /r/HasProperty | double
Facets:
Source sentences:
text: Although the instrument was probably originally intended to be strung with six courses (five double strings and one single string) the neck of the lute was later adapted to become a larger 11 course baroque lute (nine double strings and two single strings).
text: The strings are always metal with six to eighteen strings [three to six double or triple courses].