These meditative sounds are based on an ancient sound scale and are believed to have powerful healing effects. I find them extremely relaxing. Listen with headphones.
Solfeggio Harmonics - 639 HZ - Integrating Structures
http://www.youtube.com/watch?v=CLuEy2p2bBw
Solfeggio Harmonics - 396 HZ - Liberation from Fear
http://www.youtube.com/watch?v=IJUu-...eature=related