Assertion: clarinet's instrument | /r/MadeOf | bone
Facets:
Source sentences:
text: However, most historians believe that determining a specific time of musical instrument invention is impossible, as many early musical instruments were made from animal skins, bone, wood and other non-durable materials.
text: However, most historians believe that determining a specific time of musical instrument invention is impossible, as many early musical instruments were made from animal skins, bone, wood and other non-durable materials.