#sound.happening  the sudden occurrence of an audible event; "the sound awakened them"
  subtype:  #beat.sound  #beep  #bell.sound  #bombilation  #click  #chirp  #chirrup  #chorus  #click-clack  #cry  #drum  #footfall  #gargle  #gurgle  #jingle  #knocking  #mutter  #noise  #paradiddle  #pat  #patter  #peal  #ping  #plunk  #pop  #purr  #quack.sound  #quaver  #tintinnabulation  #rub-a-dub  #sigh.sound  #skirl  #song.sound  #strum  #susurration  #swish  #tapping  #throbbing  #thumping  #thrum  #thunk  #tick.sound  #ting  #toot  #tootle  #trample  #twang  #vibrato  #voice.sound  #whir  #whistle.sound  #whiz  #zing
  supertype:  #happening__occurrence__natural_event__naturalevent  an event that happens
     supertype:  #event  something that happens at a given place and time
        supertype:  sumo#process__proces__physicalsituation  intuitively, the class of things that happen and have temporal parts or stages; examples include extended events like a football match or a race, actions like pursuing and reading, and biological processes; sumo#process is not identical to pm#situation because an instance of pm#situation is not necessarily an instance of sumo#physical
           supertype:  pm#situation  something that "occurs" in a real/imaginary region of time and space
              supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
           supertype:  pm#process_or_process_description
              supertype:  pm#processing_thing
                 supertype:  pm#thing_playing_some_role  category to classify things according to roles/viewpoints; classification under this category is application-dependant
                    supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
           supertype:  sumo#physical__physical_thing  an entity that has a location in space-time; locations are themselves understood to have a location in space-time; click here for more details on the identical category sowa#physical_thing
              supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type

No statement uses or specializes #sound.happening; click here to add one.