Assertion: drum's sound | /r/ObjectUse | used for special effects
Facets:
value: during a solo performance
type: TEMPORAL
value: rarely
type: DEGREE
Source sentences:
text: Other sounds are possible (masters achieve as many as twenty-five distinctly different sounds), but these additional sounds are used rarely, mainly for special effects during a solo performance (djembe kan, literally, "the sound of the djembe").