(subclass MakingMusic RadiatingSound) | Merge.kif 13696-13696 | Making music is a subclass of radiating sound |
(subclass MakingInstrumentalMusic MakingMusic) | Merge.kif 13704-13704 | Instrumental music is a subclass of making music |
(subclass MakingVocalMusic MakingMusic) | Merge.kif 13721-13721 | Singing is a subclass of making music |