Assertion: acoustic guitar's sound | /r/HasProperty | timbre
Facets:
Source sentences:
text: At what position along the string the finger plucks the string (This is changed by guitarists throughout a song, since it is an effective way of changing the sound (timbre) from "soft" ( dolce ) plucking the string near its middle, to "hard" ( ponticelo ) plucking the string near its end).