Assertion: lute's string | /r/HasProperty | metal wound strings
Facets:
Source sentences:
text: In the 18th century guitarists began using single strings as Giacomo Merchi mentions in hispublished in 1777 :There were many negative aspects of catgut strings for the guitar player :The first Augustine strings were only treble strings, metal wound strings using a nylon core were found to be problematic.