Delta Waves (Sleep Frequency) Lyrics
| Song | Delta Waves (Sleep Frequency) |
| Artist | Lucid Dream Doctor |
| Album | #18 Relaxing Songs - Soothing Relaxation Music for Lucid Dreams, Healing Sounds of Nature |
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| Song | Delta Waves (Sleep Frequency) |
| Artist | Lucid Dream Doctor |
| Album | #18 Relaxing Songs - Soothing Relaxation Music for Lucid Dreams, Healing Sounds of Nature |