Hidenori Matsuoka

Chord NOTE is a Song writer’s assistant tool.It assists in finding the right chords to match a melod

The most excellent Guitar Chord Form tool in the world, in your pocket!You can search almost chord f

The most excellent Piano Chord Form tool in the world, in your pocket!You can search almost chord fo

PET Bottling is a real percussion instrument using the PET bottle.You can play an acoustic instrumen

Shippo’s “Kappa Theater” app is coming out! It has been popular since she had uploaded to MySpace.Ka