Storage medium and tone generation state displaying apparatus

A non-transitory machine-readable storage medium containing program instructions executable by a computer and enabling the computer to perform a method comprising:

• accepting inputs of plural notes to be assigned for tone generation;
• selecting one or more notes to be sounded in each of plural parts according to a predetermined note determining rule from the plural notes to be assigned for tone generation accepted in the accepting;
• and
• displaying in one style the plural notes to be assigned for tone generation and displaying, for each of the plural parts, the one or more notes to be sounded in respective parts selected in the selecting in another style different from the one style.

A tone generation state displaying apparatus, comprising:

• a processor configured to:
• accept inputs of plural notes to be assigned for tone generation;
• select one or more notes to be sounded in each of plural parts according to a predetermined note determining rule from the accepted plural notes to be assigned for tone generation;
• and
• control a display unit to display, for each of the plural parts, the plural notes to be assigned for tone generation, non-selected one or more notes in respective parts being displayed in one style by the display unit, the selected one or more notes in the respective parts being displayed in another style different from the one style by the display unit.

A tone generation state displaying apparatus, comprising:

• a processor configured to:
• accept inputs of plural notes to be assigned for tone generation;
• select one or more notes to be sounded in each of plural parts according to a predetermined note determining rule from the accepted plural notes to be assigned for tone generation;
• and
• control a display unit to display in one style the plural notes to be assigned for tone generation and display, for each of the plural parts, the selected one or more notes in another style different from the one style.