Generate a full detail guide on using music for mood regulation. The guide should be fun and practical. It must include sections on: 1. The science of how music affects our emotions and energy levels. 2. How to create personalized playlists for different moods (e.g., a 'Focus' playlist, an 'Energy Boost' playlist, a 'Calm Down' playlist). 3. The concept of using music to process, rather than suppress, difficult emotions. 4. Tips for mindful listening. Please include a supportive disclaimer.