English summary: This book offers an overview presenting and discussing the potentials, capabilities and settings of Outdoor Music Therapy in a theoretical and practical manner and comparing them to relevant music therapeutic developments (such as Community Music Therapy). Furthermore the results and knowledge gained through a survey concerning the characteristics of Outdoor Music Therapy, in which internationally renowned music therapists participated, are debated. The adventurous, belletristic style of writing invites a wide readership to "plunge" into the careful, healthy world of Outdoor...