Electronic musical instrument capable of editing chord performance style

Claim 1

An electronic musical instrument operative to produce pieces of musical data information in a recording mode of operation while a player performs a music having a plurality of musical tones, said electronic musical instrument being further operative to reproduce the music tones on the basis of said pieces of musical data information in a playback mode of operation, said pieces of musical data information including at least one piece of timing data information representative of a lapse of time and pieces of note data information representative of a chord and associated with the timing data information, said pieces of note data information and said timing data information being produced upon detection of a plurality of keying-in operations concurrently carried out, comprising: (a) memory means operative to memorize said pieces of musical data information in said recording mode of operation and to read out the pieces of musical data information in said playback mode of operation; (b) checking means operative to check said memory means to find said piece of timing data information in said playback mode of operation, said piece of timing data information being read out in a nearly simultaneous timing; (c) modifying means operative to produce a broken-chord on the basis of said pieces of note data information read out from said memory means when said checking means find said piece of timing data information; and (d) controlling means operative to cause said checking means to check said memory means for allowing said modifying means to produce said broken-chord.