David Aldridge is the author of a number of books within related fields including Spirituality, Healing and Medicine: Return to the Silence and Music Therapy Research and Practice in Medicine, both published by Jessica Kingsley Publishers. Jörg Fachner studied social and educational sciences, worked in physiology and likes to play and listen to music. He finished his doctoral thesis on cannabis and music perception in an EEG investigation at the Chair for Qualitative Research in Medicine in 2001. Jörg's research interests, publications and scientific memberships focus on qualitative research aspects of music, therapy and medicine, music physiology, and psychology, youth und pop culture, altered states of consciousness, transcultural psychiatry and anthropology of the body.