Assertion: wind instrument's type | /r/CreatedBy | stretching a skin
Facets:
Source sentences:
text: By their very nature ground drums are nonportable; a similar type of instrument was made by stretching a skin over the opening of a gourd, clay pot, or other object.
text: By their very nature ground drums are nonportable; a similar type of instrument was made by stretching a skin over the opening of a gourd, clay pot, or other object.