TANSU Synth DEMO【Train】
Background video description (Googlish from Japanese):
I will be moving to iOS app “TANSU Synth” demo play.
Http://www.music-airport.co.jp/tansusynth/: official site TANSU Synth
The point is that you want to record the sound that blew into the microphone.
I get a sense randomly mixed with the sound generated from the pink noise.