川のせせらぎ、鳥のさえずり、リラックス＆ヒーリング効果、睡眠導入、疲労回復、癒しの自然音/Nature water sound/4K/ASMR

Forest river murmuring, birds chirping, relaxing & healing effects, ASMR, sleep induction, stress relief, environmental sounds, sleep BGM, meditation, mental health, deep sleep, purification, work, concentration, yoga, nature sounds , environmental sounds, negative ions, water sounds

#bgm #relaxingmusic #relax #relaxing #sound