Assertion: lute's string | /r/MadeOf | silk
Facets:
value: traditionally
type: OTHER
value: formerly
type: TEMPORAL
Source sentences:
text: The strings of the instrument were made of silk.
text: Its four strings were formerly made of silk but since the 20th century they have been made of steel (flatwound for the lower strings).
text: Stringed instrument , any musical instrument that produces sound by the vibration of stretched strings , which may be made of vegetable fibre, metal, animal gut, silk, or artificial materials such as plastic or nylon.
text: The three strings are traditionally made of silk, or, more recently, nylon.
text: The strings of the instrument were made of silk.