Accompaniment Sound Generating Device, Electronic Musical Instrument, Accompaniment Sound Generating Method and Non-Transitory Computer Readable Medium Storing Accompaniment Sound Generating Program

An accompaniment sound generating method for:

• specifying a plurality of musical performance parts for which accompaniment sounds are generated based on an input musical performance sound;
• generating the accompaniment sounds that belong to the plurality of specified musical performance parts for each musical performance sound;
• and
• outputting the accompaniment sounds generated for the plurality of musical performance parts with timing for generating the accompaniment sounds aligned with timing for generating musical performance sounds.

A non-transitory computer readable medium storing an accompaniment sound generating program, the accompaniment sound generation program causing a computer to execute a processes of:

• specifying a plurality of musical performance parts for which accompaniment sounds are generated based on an input musical performance sound;
• generating the accompaniment sounds that belong to the plurality of specified musical performance parts for each musical performance sound;
• and
• outputting the accompaniment sounds generated for the plurality of musical performance parts with timing for generating the accompaniment sounds aligned with timing for generating musical performance sounds.