Musical Chord Conversion Aid Device

A musical chord conversion device comprising:

• a first slide rule and a second slide rule for correlating major chords to minor chords;
• said first slide rule fixed in a housing;
• said second slide rule movable within an opening in said housing;
• said first slide rule includes a listing of major chords in a vertical orientation;
• said second slide rule includes a listing of minor chords in a vertical orientation;
• each listing of a minor chord slidable adjacent to each listing of a major chord to correlate a minor chord to a designated major chord;
• said correlated minor chord viewable in said opening of said housing;
• at least a third slide rule movable within said opening in said housing;
• said at least third slide rule includes another listing of minor chords in a vertical orientation;
• each listing of another minor chord slidable adjacent to each listing of another designated major chord to correlate said another minor chord to said another designated major chord;
• and
• said correlated another minor chord viewable in said opening of said housing.

A method for converting a musical major chord to a musical minor chord, the method comprising the steps of:

• providing a housing with a first slide rule affixed thereto;
• providing at least a second slide rule adjacent to said first slide rule;
• said second slide rule movable within an opening in said housing;
• said first slide rule includes a listing of musical major chords;
• said second slide rule includes a listing of musical minor chords;
• specifying a selected musical major chord;
• selecting said at least second slide rule corresponding to said selected musical major chord;
• sliding said second slide rule within said housing;
• and
• correlating a listing of musical minor chords to said selected musical major chord.