Young Chang Pianos Technology, craftsmanship and art. A fine piano is an investment in your future to enrich the quality of your life. Young Chang pianos are the work of Young Chang's more than 50 years heritage of piano craftsmanship. A legacy of five decades of artists working to provide you with an exceptional musical instrument. A Higher Level of Excellence Model Y-150 White Polish The Soft-glide System A soft-glide piano features a system that closes the keyboard flap slowly, gently.