US PATENT SUBCLASS 84 / 666
.~.~.~ Accompaniment

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
600  DF  .~ Electrical musical tone generation {5}
647  DF  .~.~ Digital combinational circuit {7}
666.~.~.~ Accompaniment {2}
667  DF  .~.~.~.~> Rhythm {1}
669  DF  .~.~.~.~> Chords

DEFINITION

Classification: 84/666

Accompaniment:

(under subclass 647) Subject matter wherein digital data represents a musical support or background.

SEE OR SEARCH THIS CLASS, SUBCLASS:

610+, for accompaniment with note sequence.

634+, for accompaniment with digital memory circuit.

650+, for accompaniment with note sequence of digital combinational circuit.