Assertion: accordion | /r/ObjectUse | used in popular music
Facets:
Source sentences:
text: In some countries it is used in popular music, whereas in other regions such as Europe, North America and other countries in South America it tends to be more used for dance-pop and folk music and is often used in folk music in Europe, North America and South America.
text: It was used in popular music beginning around 1900 to 1960, but then began to fade with the invention of new instruments like the electric guitar.