Made of mulberry and walnut. The sound box is scoop-shaped and covered with paulownia wood or white pine veneer.

piano bar
Thin and long.

headstock
The flat top is unadorned, square column shape, no string groove, and a T-shaped peg on the top.

piano bar
The surface is a fretboard with winding frets. Zhang metal strings. Due to the difference in the spread of Danbull, it can be divided into Southern Xinjiang Danbull and Northern Xinjiang Danbull. The boolean body is made of wood, and the speakers are small and scoop-shaped. The body of the violin is slender, with silk strings wound into more than 16 to 20 grades. There are five steel strings, the inner second string and the outer second string are tuned to the same tone, and the middle string is in a fifth relationship. The sound range is wide, the timbre is crisp and rich in national style. Often used for solo, ensemble or accompaniment, it is one of the main instruments of "Maxhrop" and classical music "Twelve Muqam".

The shape of Danbull is like a gourd water scoop with a long handle. It consists of a sound box, headstock, piano rods, pegs, horses and strings.

Made of mulberry and walnut. The sound box is scoop-shaped and covered with paulownia wood or white pine veneer. The stem is slender and long, the top is the head, the flat top is unadorned, square-column-shaped, with no string grooves, and a T-shaped peg on the top. The surface of the piano bar is the fretboard, on which the strings are wound. Zhang metal strings. Due to the difference in the spread of Danbull, it can be divided into Southern Xinjiang Danbull and Northern Xinjiang Danbull.

The types of booleans are divided into

classical boolean
It is a type of Boolean with a long history, also known as the old Boolean, or the original Boolean, whose prototype has not been found. There are twenty-seven frets (nineteen of them are tied with old strings or nylon threads, and eight are glued to the panel with bone strips).

Tuning: Accompaniment three strings and two notes g, g, d. The main two strings and one note g, g.

Sound range: d1~d3

short boolean
Also known as half piano. The short-playing Boolean is easy to carry because of its short body, and is mostly used by folk troubadours and ascetics. There are twenty-four pieces (of which nineteen are tied with silk strings, and five are glued to the panel with bone strips).

Tuning: accompaniment three strings two notes d1, d1, f. Lead two strings one note d1, d1
Sound range: d1~d3

Southern Xinjiang Dianbull
Nanjiang Danbull is the earliest danbull, which belongs to the high music instrument, and it still maintains the ancient form. The total length of the piano body is about 130 cm. The resonance box is made of a whole piece of mulberry wood to first excavate the abdominal cavity. The two side walls are about 3 cm thick, the bottom of the abdomen is about 5 cm thick, and the face is covered with tungsten wood. small sound hole. The stem is slender and made of a piece of mulberry wood. Glue the sound box and the piano rod into a whole. There are 16 frets on the surface of the piano bar after the strings are stretched, and there are 16 frets in total. First, the rubber bands are used to wrap the frets, and then the silk strings are used to wrap the frets. There are five T-shaped pegs on the headstock, two on the left and three on the front. Zhang five strings, first use brass wire as the string, and then change to steel string of the same diameter. Two outer strings have a group of unison, two inner strings have a group of unison, one string in the middle, one sound, the outer string is the main string, used to play the main melody, the middle string and the inner string are resonant strings, which can play various accompaniments harmony. , has two octaves. Played with a horn pick, the volume is low, but the tone is clear and soft. Popular in Kashgar, Hotan and Kuqa in southern Xinjiang. Often used for solos, ensembles, or to accompany songs and dances.

Tuning: g, g, c1, g, g or g, g, d1, g, g.

Sound range: g—g2

Northern Xinjiang Dianbull
Beijiang Danbull was brought to Yili in northern Xinjiang by the famous folk artist Muhammad Mullah at the end of the 18th century. Later, after the reform of folk artists in northern Xinjiang, the timbre changed from clear to plump and rich, and it belongs to the middle music instrument. It is widely spread along with the "Twelve Muqam" in the northern Xinjiang and spreads all over the eastern Xinjiang. Made of walnut or mulberry wood, the body is about 147 cm long, and the resonance box is large. In addition to the 18 silk frets wound on the fretboard of the piano bar, there are also 8 to 10 strings on the panel of the resonance box. Bamboo treble grade. Around the stem and the back of the sound box, various decorative patterns are inlaid with shells or camel bones. Zhang five steel strings, up to three octaves. The main string G-d has no fret, and the semitones between d-g2 in the range are complete, which is the range of playing melody. When playing, the right index finger is tied with a wire finger to play. The tone is bright, rich and full of local characteristics. It is an inseparable stringed instrument for Uyghur people on the "Machrop". Popular in Urumqi, Yili, Shanshan and other parts of northern and eastern Xinjiang.

Tuning: G, G, d, G, G.

Sound range: G—g2

alto boolean
In the 1960s, the Urumqi Yiti Boke Musical Instrument Factory was reformed to make the tenor boul. The overall length of the piano body is shortened to 110 cm. The stem is made of mulberry wood. The back panel of the sound box is made of nine beautifully patterned walnut veneers. There are 29 plastic frets embedded on the fretboard. There are five strings (there are also six strings, with two strings in each group), the main string is made of 31-gauge fine wire, the resonance string is made of 29-gauge steel wire, and sometimes the five strings are all 30-gauge or 28-gauge steel strings. Due to the addition of four frets between the main strings a to d1, the treble position on the fretboard is also increased by four frets up to three octaves from below d3. In this kind of Boolean playing, the frets on the original panel are re-embedded on the extended fretboard, and a pad is added to the resonance box, so that the right wrist no longer touches the panel when playing, so that the pronunciation is clear and the volume is increased. big. Professional music groups have long used this midrange boolean for solo or instrumental ensembles, along with a shorter-bodied treble boolean.

Tuning: g, g, d1, a, a.

Sound range: g—g3