Beta Wave 138 Hz 歌词
| 歌曲 | Beta Wave 138 Hz |
| 歌手 | Binaural Beats |
| 专辑 | Beta Brain Waves 30 Hz Concentration Improved Focus Motivation Alertness Problem Solving |
YouTube搜索结果 (转至YouTube)
| 歌曲 | Beta Wave 138 Hz |
| 歌手 | Binaural Beats |
| 专辑 | Beta Brain Waves 30 Hz Concentration Improved Focus Motivation Alertness Problem Solving |