There is information about Solfeggio Frequencies on the thread
"DNA Activation" (2.17.09), chiefly from Frank Samuel, a
former Avalon member who writes about how he was
remarkably healed through listening to these frequencies.
Frank recommends leaving them playing through the night
while you are asleep.
There are also links to further information from this thread.
I myself have been using the CD "Holy Harmony" (Jonathan
Goldman with Sarah Benson). I can't, as yet, lay claim
to perfect healing, but believe it is working. I find it
more benefical than the tracks I had previously laid down
from Youtube.
I hope this is useful. I do feel these chants are another
wonderful healing tool we have been given.
Love and light to all