84 / | HD | MUSIC |
1 | DF | INSTRUMENTS {9} |
600 | .~ Electrical musical tone generation {5} | |
601 | DF | .~.~> Data storage {6} |
646 | DF | .~.~> Fret control |
647 | DF | .~.~> Digital combinational circuit {7} |
671 | DF | .~.~> Electric analog oscillators {9} |
723 | DF | .~.~> Transducers {9} |