Amazon Musicで、音楽やポッドキャストを無料でストリーミング再生しよう。 お支払い登録不要。無料で聴く 1Freq:262, 63BPM, 4.2Hz (Theta)
2Freq:294, 65BPM, 4.33Hz (Theta)
3Freq:330, 66BPM, 4.4Hz (Theta)
4Freq:349, 64BPM, 4.27Hz (Theta)
5Freq:392, 61BPM, 4.07Hz (Theta)
6Freq:440, 62BPM, 4.13Hz (Theta)
7Freq:494, 60BPM, 4Hz (Theta)
8Freq:523, 61BPM, 4.07Hz (Theta)
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