#softness.sound  a sound property that is free from loudness or stridency
  exclusion:  loudness
  supertype:  sound_property_or_value__sound_property__soundproperty  an attribute of sound
  subtype:  faintness__faintnes  barely audible
  subtype:  decrescendo__diminuendo  (music) a gradual decrease in loudness
  subtype:  piano__pianissimo  (music) low loudness

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