Electronic musical instrument with musical composition fashion selectors

An electronic musical instrument comprising:

• a first keyboard having a plurality of keys for performing a melody;
• a second keyboard having a plurality of keys for performing an accompaniment;
• a melody tone generator generating a melody tone in response to depression of a key of said melody performance keyboard;
• an accompaniment tone generator generating an accompaniment tone in response to depression of a key of said accompaniment performance keyboard;
• a plurality of melody musical composition fashion selection switches connected to a like plurality of first logic circuit means for designating a single one of a musical composition fashion of a melody tone to be produced from among a plurality of predetermined kinds of musical composition fashions for melody;
• a plurality of accompaniment musical composition fashion selection switches connected to a like plurality of second logic circuit means for designating a single one of a musical composition fashion of an accompaniment tone to be produced from among a plurality of predetermined kinds of musical composition fashions for accompaniment;
• said second logic circuit means being connected to said first logic circuit means such that the musical composition fashion of an accompaniment tone is selected in correspondence with the selected musical composition fashion of a melody tone when none of said plurality of accompaniment musical composition fashion selection switches are operated, and such that the musical composition fashion of a melody tone is selected in correspondence with the selected musical composition fashion of an accompaniment tone when none of said plurality of melody musical composition fashion selection switches are operated;
• a modifying parameter generator which generates a modifying parameter corresponding to an operated one of said musical composition fashion selection switches;
• modifying means for modifying outputs of said melody and accompaniment tone generators in accordance with said modifying parameter generated from said modifying parameter generator;
• and
• means for producing a musical tone signal in accordance with said output of said modifying means.