This workbook compiles a variety of experiences and considerations that can support a practical, broad-based music education. The examples include music practice with preschool children, students of different age groups, as well as with mentally ill individuals or senior groups. The uniqueness of this book lies in the combination of instrument building and the diverse musical expressions developed from it. This approach conveys fundamental experiences in the areas of acoustics and craftsmanship, as well as the joy of making music together, contributing to a basic understanding and clarity of musical relationships. Sound materials and self-built instruments provide experiences with noises, different timbres, random tunings, and also with precisely tuned tones.