Natural Effects 歌词
| 歌曲 | Natural Effects |
| 歌手 | Joel Intensive |
| 专辑 | 50 Intensive Study: A Collection of the Best Study Music for Concentration, Focus, Mind Power and Nature Sounds |
YouTube搜索结果 (转至YouTube)
| 歌曲 | Natural Effects |
| 歌手 | Joel Intensive |
| 专辑 | 50 Intensive Study: A Collection of the Best Study Music for Concentration, Focus, Mind Power and Nature Sounds |