Assertion: orchestral marimba | /r/HasProperty | developed in the united states
Facets:
Source sentences:
text: The orchestral marimba, with metal resonators, was developed in the United States in the early 20th century by J.C. Deagan and U.G. Leedy.
text: The orchestral marimba, with metal resonators, was developed in the United States in the early 20th century by J.C. Deagan and U.G. Leedy.