1. Piano

The piano (Italian: pianoforte) is a keyboard instrument in Western classical music and is known as the "King of Instruments". It consists of 88 keys (52 white keys, 36 black keys) and a metal string soundboard. The Italian Bartolomeo Cristofori (1655-1731) invented the piano in 1709.

2. Harp

The harp (English: Harp, Italian: Arpa, German: Harfe, Persian:) is a large stringed instrument. The harp is one of the oldest plucked string instruments in the world. It originated in ancient Persia (Iran). According to ancient Egyptian records, this instrument appeared in the third or fourth millennium BC. The shape at that time was like a bow with strings.

3. Guitar

Guitar (Italian: Chitarra), also translated as guitar or six-stringed harp. It is a plucked instrument, usually with six strings and similar in shape to a violin. The guitar is often regarded as the main instrument in pop music, rock music, blues, folk songs, and flamenco.

4. Violin

The violin is a stringed instrument. There are always four strings. The sound is produced by the friction between the string and the bow. The violin body (singing box) is about 35.5 cm long and is made of curved panels, back panels and side panels.

5. Cello

The cello is a Western musical instrument. It is an essential tenor or bass string instrument in the orchestra. It is a lower middle-range instrument in the violin family of instruments. The cello has a rich and rich tone and a cheerful personality. It is good at playing lyrical melodies and expressing deep and complex emotions. It also plays the bass part of the harmony together with the double bass, so it is known as the "lady of music".

Baidu Encyclopedia - Western Musical Instruments

Baidu Encyclopedia - Piano

Baidu Encyclopedia - Harp

Baidu Encyclopedia - Guitar

Baidu Encyclopedia-Cello