Free introduction to Kindermusik class for infants ages 4 weeks to 4 months. Discover a treasure trove of methods for musical play with baby. The first year is a critical window for the development of language, movement, and cognitive skills. Kindermusik provides important tools for parents to accelerate development through rhythm, touch, rhyme, and much more. For music and digital content from Kindermusik, download the free Kindermusik App.