Assertion: zither's range | /r/HasProperty | introduced in 1960
Facets:
value: such as fuzz
type: OTHER
value: such as enabling
type: OTHER
Source sentences:
text: Along with the development of guitar amplifiers, a large range of electronic effects units, many in small stompbox pedals were introduced in the 1960s and 1970s, such as fuzz pedals, flangers and phaser enabling performers to create unique new sounds during the psychedelic rock era.