Assertion: stringed instrument's string | /r/HasProperty | middle course
Facets:
value: usually
type: DEGREE
value: with being double strung
type: OTHER
Source sentences:
text: It has 8 strings in 3 courses of (steel) strings; the middle course with 2, both others with 3 strings.
text: The single string is usually the middle course, with the bass and melody courses being double strung.
text: The single string is usually the middle course, with the bass and melody courses being double strung.