soundPrism, is the second tool to design your desired, especially for new comers.

the function likes alchemy mobile free in Apple iOS., just controlling more directly. Alchemy mobile provides beat loop, but this one concentrate in melody.

Free version does not have midi-keyboard support. It still be worth to try, since some mixing is impressive from this tools, 8 tones given are still great, good starters.

I now have two tools to start my basic idea, which may be able to turn idea into dollars.

From this day on, Bring these clips on, I am looking for it.