Rammstein Academy of Music - Sizes and Types of Vertical Pianos: Vertical piano types are classified according to a combination of piano height, cabinet styling, and size and position of action. This
Why do some open the lid on a piano? Why do some keep it closed? How does it change the sound? - Quora
![The Structure of the Piano:Let's Learn the Names of Parts - Musical Instrument Guide - Yamaha Corporation The Structure of the Piano:Let's Learn the Names of Parts - Musical Instrument Guide - Yamaha Corporation](https://www.yamaha.com/en/musical_instrument_guide/common/images/piano/parts_viewer01.jpg)