Producer: Masaya Uehara (member of the Japanese Music Therapy Association), Pupervised: Takashi Tomita (psychologist) Yakuso α wave 1 / f fluctuation is a music collection that generates many α waves in brain waves based on the sound of waves and the 1 / f fluctuation law included in the babble of Ogawa. The sounds of nature will overlie the music and will relieve you with a soothing melody. In recent years, a study by Toshimitsu Musha (Professor, Tokyo University of Science) has announced that the environmental sound in the natural world has a fluctuation law of "1 / f fluctuation", which has a relaxation effect on human organisms. It attracted attention.