Guide to musical instruments as stated in Yamaha. This yamaha musical instruments website. Evolution, methods of playing instruments.
Yamaha keyboard pursuant to Piano-play-it. Home piano keyboard. Before should need to understand the kind keyboard offers. Some students then realized that they needed a different instrument.
List of products according to Wikipedia. Product list yamaha note many items here longer example, alto yas21 saxophone replaced by yas23 saxophones in the 1990s.