Assertion: guitar's course | /r/HasProperty | three double
Facets:
Source sentences:
text: The guitar originally had four courses of strings, three double, the top course single, that ran from a violin-like pegbox to a tension bridge glued to the soundboard, or belly; the bridge thus sustained the direct pull of the strings.
text: By the mid-Baroque period (c. 1600–1750), it more commonly had five courses (still double-strung) and used a variety of tunings, some of them re-entrant.
text: Vihuela, renaissance guitars and baroque guitars have a bright sound, rich in overtones, and their courses (double strings) give the sound a very particular texture.