1. Guitars are divided into metal guitars and wooden guitars. They are notated in treble clef, and the range is from small letter C to small letter 3, group e. However, the range in MIDI is from large letter C to small letter 2, group C.

Metal guitar: divided into clean, muted, extreme, distorted, harmonic guitar, etc. The tone is metallic. It is characterized by stretch, gorgeous, rough expansion, and explosive power. It expresses enthusiasm, liveliness, unrestrained and crazy. Musical expression. It is inner voice accompaniment, playing rhythm patterns, playing melody fragments (SOLO), etc. Clean guitar is often used as decomposed chord accompaniment. The tone is gorgeous and transparent, and muted guitar is also used as decomposed accompaniment, with pauses, grain, and clean The timbre is masculine and energetic. Distorted guitars and aggressive guitars are often used in heavy-sounding rhythms such as SOLO and rock. The hoarse timbre can easily express passion and unrestrainedness.

Acoustic guitars: divided into nylon string guitars and metal string guitars Guitar. The tone is clean, with a nasal sound, relatively gentle and affectionate. It is also light and passionate. It is an accompaniment for the inner voice, playing rhythm patterns, playing melody fragments (SOLO), etc. Jazz guitar is a timbre style of acoustic guitar. Wooden Guitar is often used in bands as accompaniment of broken chords, brisk strum rhythm accompaniment, and accompaniment of pauses and overtones. It has an elegant and dreamlike artistic conception in SOLO.

Rational application of guitar Special emphasis should be placed on the choice of timbre in terms of its range and musical expression. In practical applications, the quality of creating guitar parts is fundamental.

2. Bass. It is divided into metal and wooden basses. Use bass clef notation. The range is from upper letter E to small letter 1 group G. In MIDI, it is upper letter 1 group C to small letter G.

Here we will talk about the metal electric bass. Electric bass The bass is divided into finger bass, pick bass, fretless bass, palm bass, synthetic bass, etc. The sound is rich and metallic, the sound quality is solid and kind, and it expresses lively, humorous, unrestrained and crazy musical emotions. It is a melody and rhythm instrument in the lower part. It plays basic bass and occasionally plays SOLO fragments. Slow music generally uses large and small dotted rhythms, and occasionally uses decomposed chords to melody. It jumps within the pure 8th range and does not support larger intervals. Jumping. Fast songs use pauses, overtones, 8th-degree hammering and other playing techniques. The main rhythm is made. Occasionally, the melodic trend is carried out. The bass, like the guitar, must make reasonable use of its range and timbre characteristics as well as the quality of creating the low part. Above the requirements.

3. Drumming. It is divided into two categories: big drum and small drum. Notation is commonly done in one-line notation and five-line notation. There is no key signature mark. It is a rhythm instrument.

Big drum The drum includes snare drums, cymbals, bass drums and toms. The snare drum has a core and rim performance form. It is often used on the weak beat, and is occasionally used together with other drums on the strong beat and emphasis. In terms of sound, cymbals are divided into three types: high, medium and low. The sound quality has a copper metallic sound and good sustain. Different cymbals are used according to different music styles. The bass drum has a relatively low timbre and overtone quality, which is suitable for singing. On the strong beat, it is a low-pitched instrument in percussion. Tom toms generally consist of a drum kit with 5-7 sections. There is a pitch standard in traditional tuning. I also forgot about the pitch. It is often connected with music. Transitions, at the end of sentences and paragraphs. The application of determining the score of notes based on the time signature.

Small percussion instruments include hi-hats, sticks, maracas, bells and triangles, etc., which are percussion instruments that express color rhythms. . The hi-hat is often used in the combination performance of musical percussion, with closed and open playing methods. Other hi-hats are occasionally used according to the needs of local musical performance.

4. Electronic keyboard. There are electronic keyboards. , electric piano, electronic synthesizer. 3 types. The timbre is very rich. You can play different musical expressions by choosing different timbres. It has more than 500 natural acoustic timbres and synthetic timbres. The sound range is very wide, the broadest among all musical instruments. MIDI The keyboard range is slightly narrower, which is a shortcoming of current MIDI. In terms of performance, you must have relevant keyboard performance theory and technology to create keyboard music well. Keyboard performance is widely used, and it can play melody, harmony and long tones. Rhythm, the effect of characteristic sounds, the use of color sounds... All kinds of acoustic effects in music performance can be applied to electronic keyboards.M

IDI keyboards are different. Nowadays, they are widely used as auxiliary tools for computer music input, and the timbres of the MIDI keyboard itself are not widely used, because the timbre library plug-in timbres also have more than 500 various acoustic timbres.