大自然に癒される作業用BGM│集中力を高めて勉強や読書に没頭出来る音楽
3:02:37
大自然が集中力を授ける！読書、勉強、作業用BGM│アンビエント
3:00:00
4K Natural environmental sounds ASMR / Sounds of rivers with spring water / Chirping birds
2:00:01
2 Hours Of Ghibli Music 🌍 Relaxing BGM For Healing, Studying, Working, And Sleeping Ghibli Studio
4:00:00
【勉強用・作業用BGM】波の音で4時間集中が続く！α波で超集中・記憶力アップ【波の音×ピアノ】
1:43:56
【作業用BGM】癒し効果絶大！エンヤ・ベスト曲集
3:22:50
Forest Cafe Jazz Music | Morning Tranquill Jazz With Nature Therapy For Stress Relief, Study & Wo...
3:49:59
Beautiful Relaxing Music - Stop Overthinking, Stress Relief Music, Sleep Music, Calming Music #242
1:55:37