For adult piano training courses, Xiaoziye Music Technology, Pure Fourth Piano Classroom, Jiangjie Piano City, and Tianyu Zhiyin are all good.
Piano introduction:
The piano (Italian: pianoforte) is a keyboard instrument invented by Italian Bartolomeo Cristofori in 1709. A piano is composed of keys and a metal string soundboard. Generally, the sound range of an 88-key piano ranges from 27.5Hz to 4186.01Hz, and the highest range of a 108-key piano can reach 7902.13Hz. It covers almost all the sounds in the music system and is one of the instruments with the widest range. Commonly used for solo, ensemble and accompaniment.
Grand piano:
A grand piano is also called a grand platform piano. Its shell length ranges from 1.3m to 5m, and it has high acoustic quality and performance performance. It has a large volume, pure and rich sound quality, and a beautiful and bold appearance. It is generally used in professional occasions such as schools, concert halls, theaters, and grand theaters.
A grand piano lies flat to hit the keys, which is superior to an upright piano in terms of speed and stability. On the pedal device, when the left pedal is depressed, the keyboard and hammer will move to the right, so that the hammer strikes not three strings but two or one.
The middle pedal is a special sustain pedal. When playing, if you only need to extend a certain note and do not need a pedal to extend other notes, you need to use the middle pedal (mostly used in playing In Impressionist works); the right pedal is also called the sustain pedal.
Upright piano:
In order to solve the problem of the space occupied by the grand piano, the upright piano was invented. The upright piano adopts a design with staggered string installation, which solves the space requirements and the balance of tone and volume. An upright piano is also called an upright piano. The height from the upper edge of the piano body to the ground is usually 1.1~1.3m. It is mainly used for teaching, home entertainment and playing practice.
The strings of an upright piano are vertically oriented, so the way to strike the strings is to strike them vertically. In terms of the pedal device, the left pedal is called the weak pedal, which is to help the player play weaker notes or change the softness of the sound; after the left pedal is depressed, the hammer is closer to the strings, shortening the distance of the enemy's attack. Reduce the volume.
The pedal in the middle is called the silencer pedal. It is designed so as not to affect other people's rest. The principle is that an upright piano is equipped with a felt with wooden strips. When the pedal is stepped on, the felt It blocks the strings so that the hammer cannot hit the piano directly to weaken the sound; the right pedal is also called the sustain pedal.