Insomnia Aid - Long-Play Instrumental Creation

I'm seeking a skilled musician that can harmoniously blend piano, guitar, and wind instruments into an original 2-3 hour music loop. This soft composition is intended to aid insomnia sufferers in their sleep, so the tempo will need to be slow. While I'd like a constant melody, I'm also open to the inclusion of evolving melodic elements. Copyright or publishing right issues will not be tolerated; I can't stress enough that this piece must be original. Ideal candidates will have proven experience in instrumentation and a keen sense of music progression for a soothing listener experience.