らふおん!/即興演奏で簡単作曲 app for iPhone and iPad

"SketTune!", even if the idea of ​​the music does not come up, you can make rough sketch of the music in about 30 seconds.

No knowledge or experience of composition is necessary.
Just by tapping according to accompaniment,
you can compose in real time to play instruments.

Various songs and chord progression have been recorded as accompaniment.
You can use it as a testing place for composition.

In order to make innovative songs that are not bound by existing songs,
alternatively, to try out chord progression that is not recorded,
you can also create accompaniment.

Also, for editing and sharing rough sketches created,
there is a MIDI export function.
After doing a rough sketch,
by editing with another software or discussing with friends,
lets finish in earnest.

Please try this comfortable music composition application!

For this content, "CRI ADX 2 (TM) LE" by CRI · Middleware Co., Ltd. is used.