There are many categories of drums.
First of all, according to the way of playing, it can be divided into:
Bow strings: violin, viola, cello, double bass.
Brass music: trumpet, trombone, tuba, horn.
Woodwind: flute, piccolo, clarinet, oboe.
Plucked music: guitar, bass, pipa, soft, zither, etc.
Keyboard music: piano, keyboard.
Percussion music: drums, Malimba, African drums, Cajon boxes, etc.
Secondly, according to the principle of sound production, it can be divided into:
Vocal instruments: classical guitar, folk guitar, piano, violin, trumpet, pipe, flute and other instruments that rely on the cavity to produce sound.
Electroacoustic instruments: electric guitar, electric bass, keyboard and so on.
The small army drum is divided into two parts: the drum cabinet and the drum skin, and the drum cabinet is flat.
The drum skin is made of animal skin and is covered on both sides of the drum frame.
The lower drum skin is covered with intestinal strings or several steel wire springs (ringing strings), which are struck with two mallets.
The small army drum is a percussion instrument with no fixed pitch, recording the score with a line.
The small army drum with strings rustles.
The small army drum without strings sounds crisp.
The sound of the small army drum has strong penetration and great changes in strength, and it can also change the timbre by covering the drum surface with flannelette or using drumsticks of different hardness.
It can play a variety of atmosphere and is very expressive.
The small army drum is an extremely flexible percussion instrument, which can play a variety of rhythms.
And all kinds of playing methods can be played with different strengths.
The rhythmic types of small army drums are mainly as follows:
1. March rhythm type
This is a clear and symmetrical rhythm type, which is synchronized with people's marching pace, and is often used in small army drum military bands.
2. Labor song rhythm type
The rhythm is also bright and powerful, and has a heroic and rugged character.
3. Simple equal rhythm type
It is divided into three types: medium speed, fast and slow: medium speed simple equal rhythm type is easy to show steady mood and coherent movement.
Fast simple equal rhythm type is easy to show warm mood and tense atmosphere.
Slow simple equal rhythm type is easy to show broad and magnificent momentum.
4. Point rhythm type
With the comparison of time value and sound strength, this rhythm type breaks the natural balance of rhythm and has the beauty of elasticity and the sense of power.
5. Long and short rhythm type
This kind of rhythmic combination of length and length, endless variety, rich color, wide range of expression and strong expression.
6. Syncopated rhythm type
This kind of rhythm type can be divided into three types: simple syncopated rhythm type, compact syncopated rhythm type and empty syncopated rhythm type: simple syncopated rhythm type has positive musical effect.
Compact syncopated rhythm type has the function of accentuating tone and can produce a kind of advancing force.
Empty syncopated rhythm type has unique stress transfer, which makes the weak beat stress more prominent.
7. Continuous rhythm type
This type of rhythm has a dramatic effect, so that the rhythm is compact, easy to express exquisite, strong, indignant and other emotions.