Sound effects for meditation, relaxation, yoga, reiki, zen, qigong, tai shi, mindfulness, hypnotherapy, out of body experience, astral travel, or just to create a good atmosphere… Based on observations and past trends, human interventions in catchments including water abstractions, river regulation and land-use change have considerably altered river flow regimes in large parts of Europe, making it difficult to discern any climate-driven changes in river flow to date.