Child Hierarchical Categories

Acoustic Inventions Audio Equipment Inventions Electronic Music Inventions Music Amplification Inventions Music Broadcasting Inventions Music Education Inventions Music Industry Inventions Music Notation Inventions Music Performance Inventions Music Production Inventions Music Recording Inventions Music Software Inventions Music Streaming Inventions Music Synthesis Inventions Music Theory Inventions Music Therapy Inventions Musical Composition Inventions Musical Instruments Inventions Recording Technology Inventions Sound Technology Inventions

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