Assertion: bell tower's bell | /r/HasProperty | playable
Facets:
value: fully
type: DEGREE
value: after almost 2500 years
type: TEMPORAL
Source sentences:
text: The bells of Marquis Yi—which were still fully playable after almost 2500 years—cover a range of slightly less than five octaves but thanks to their dual-tone capability, the set can sound a complete 12-tone scale—predating the development of the European 12-tone system by some 2000 years—and can play melodies in diatonic and pentatonic scales.