Ancient Dream-Related Music?

This may be a long shot, but I was wondering if any of you dream history experts could help me out with some dream-related music? Let me explain:

For my music composition module, we have to compose an atonal piece of music using things like magic squares, ghost cubes, etc. which are precompositional techniques based on patterns and series. Peter Maxwell Davies uses an altered plainchant for his piece 'Ave Maris Stella', and I wondered if anyone knew any historical melodies, patterns or anything related to dreams (e.g. a numeric pattern from, say, the Aboriginals, signifying something in dreams).

Any info would be of great help - all I need is one pattern to start with, and it doesn't even necessarily have to sound 'nice' (atonal music tends to sound like 'random' notes in a sequence).

Try to search in old Tibetan music.

Will do, anything you recommend in particular?

Unfortunetly nothing specific, but from what i know tibetans are into dreaming from hundreds of years so there shoud be some corelants in their music. If you find something interestin please let me know. Im a hobby musician my self ;)

Oh well that makes sense; there must be something there. Thanks for the suggestion