The musical bow (also called Berimbau or Brimbau) is a simple string musical instrument consisting of a string supported by a flexible string bearer, usually made out of wood. Often, it is a normal archery bow used for music rather than as a weapon.

Although the bow is now thought of as a weapon, it is not clear whether it was used in this way originally. Cave paintings in southern France dated to around 15,000 BC, show a bow being used as a musical instrument, so this use certainly has a long history. Musical bows are still used in a number of cultures today, almost all over the world.

The usual way to make the bow sound is to pluck the string, although sometimes a subsidiary bow is used to scrape the string, much as on a violin. Unlike string instruments used in classical music, however, they do not have a built-in resonator, although resonators may be made to work with the bow in a number of ways.

The most usual type of resonator consists of a gourd attached to the back of the string bearer. The bow may also be stood in a pit or gourd on the ground, or one end of it may be partially placed in the mouth. This last method allows the size of the resonator to be varied as the instrument is played, thus allowing a melody to be heard consisting of the notes resonating in the player's mouth. As well as these various forms of resonators, the bow is frequently played without a resonator at all.

The musical bow is generally played on its own, as a solo instrument.

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How to Play the Musical Bow

Hold the bow upright. The bow is held against your chest, to one side, by applying tension on the string. The String may be plucked with the finger, or tapped or stroked with the wooden plectrum. One may also play the string with a smaller bow. As you tap the string with the plectrum, or smaller bow, you fret (or note) the string with the finger of the other hand. You may want to employ a metal washer, paper clip, or other item to keep the wire from digging into your fingertip. Try fretting the string and tapping above and below that note. You will get two sounds. Do not strike the string hard, it is a gentle tap. Experiment with the way you tap and with different objects. Have Fun!