When I found out how big a role the gut and our microfauna play in our mental health , my mind was blown . For example , I couldn ' t believe that gut bacteria produce 90 % of our serotonin , and how certain gut microbes can increase GABA receptors in the brain . Our bodies are amazing ! <| sep |> Loreena McKennitt Community Update November 24 , 2016 The Book of Secrets vinyl box set coming soon ! Available for preorder in time for holiday gift giving Some refer to it as the pinnacle of Loreena ' s career . Others know it as the album that includes her worldwide hit , The Mummers ' Dance . On the cusp of the 20 th anniversary of the 1997 album The Book of Secrets , Loreena is poised to release an extraordinary vinyl box set that will complete the highend , audiophile reproductions of her musical catalogue . This numbered , limitededition , 180 gram vinyl , handautographed box set is slated for release in March 2017 , which also coincides with the launch of Loreena ' s A Trio Performance spring tour to the U . K . and E . U . But you can reserve your set now and get a beautiful gift notification card in time for the holidays . Copyright 2016 Quinlan Road , All rights reserved . You are receiving this email because you opted in at our or website .