We have not abandoned the world of conventional publishing entirely, as the new music therapy book KAIROS V Musiktherapie mit Kindern shows. This book is a series of case studies about music therapy containing a photographic essay by Horst Wackerbarth on children that have played with us here in the institute. David Aldridge. previous page.This banner text can have markup. web; books; video; audio; software; images; Toggle navigation.