Performance data processing apparatus, performance data...

Performance data transmission controlling apparatus and...

Performance data transmission controlling apparatus, and...

Performance data transmission controlling apparatus, and...

Performance device of music box or the like type

Performance device systems and methods

Performance environments supporting interactions among...

Performance evaluator for use in a karaoke apparatus

Performance information analyzer and chord detection device asso

Performance information analyzer and chord detection device...

Performance information making device and method based on...

Performance information output device and an automatic performin

Performance information transmitter and/or receiver for a perfor

Performance instructing apparatus

Performance instruction apparatus and performance...

Performance operator control apparatus

Performance recording and playback apparatus

Performance recording apparatus for recording information used t

Performance recording/reproducing apparatus enabling correction

Performance setting data selecting apparatus