Patent ID: 7297859

Claim:
An assistive music playing apparatus comprising: a chord progression pattern providing device which provides a chord progression pattern representing a series of chords; a note input device which inputs notes constituting music playing along with said chord progression, said inputted notes potentially including unacceptable notes to be subjected to note correction; a note conversion device, including a note conversion table containing conversion parameters for converting notes, which converts said inputted notes, with reference to a current chord in said chord progression at the time of said inputted notes, to converted notes according to conversion characteristics which are differently predetermined for different note sub-ranges as divided in view of note pitches; and a note range split device which splits the entire note range of the input notes into a first sub-range in which the inputted notes are subjected to the note conversion and a second sub-range in which the input notes are not subjected to the note conversion, wherein said note conversion device conducts note conversion of the inputted notes in said first sub-range and does not conduct note conversion of the inputted notes in said second sub-range.