Bow (music)

Bow (music)
A cello bow

In music, a bow is moved across some part of a musical instrument, causing vibration which the instrument emits as sound. The vast majority of bows are used with string instruments, although some bows are used with musical saws and other bowed idiophones.


Materials and manufacture

A bow consists of a specially shaped stick with other material forming a ribbon stretched between its ends, which is used to stroke the string and create sound. Different musical cultures have adopted various designs for the bow. For instance, in some bows a single cord is stretched between the ends of the stick. In the Western tradition of bowmaking—bows for the instruments of the violin and viol families—a hank of horsehair is normally employed.

The manufacture of bows is considered a demanding craft, and well-made bows command high prices. Part of the bowmaker's skill is the ability to choose high quality material for the stick. Historically, Western bows have been made of pernambuco wood from Brazil. However, pernambuco is now an endangered species whose export is regulated by international treaty,[1] so makers are currently adopting other materials: woods such as Ipê (Tabebuia)[2] as well as synthetic materials. These synthetic materials include carbon fiber epoxy composite and fiberglass. Carbon fiber bows have become very popular, and some of the better carbon fiber bows are now comparable to fine pernambuco sticks.

For the frog[3], which holds and adjusts the near end of the horsehair, ebony is most often used, but other materials, often decorative, are used as well; these include ivory and tortoiseshell. The metal parts of the frog, or mountings, may be used by the maker to mark various grades of bow, ordinary bows being mounted with nickel silver, better bows with silver, and the finest being gold-mounted. (Not all makers adhere uniformly to this practice.) Near the frog is the grip, which is made of a wire, silk, or "whalebone" wrap and a thumb cushion made of leather or snakeskin. The tip plate of the bow may be made of bone, ivory, mammoth ivory, or metal, such as silver.

A bow maker or Archetier typically uses between 150 and 200 hairs [4] from the tail of a horse for a violin bow. Bows for other members of the violin family typically have a wider ribbon, using more hairs. White hair generally produces a smoother sound and black hair (used mainly for double bass bows) is coarser, producing a rougher sound. Lower quality (inexpensive) bows often use nylon or synthetic hair. Rosin, a hard, sticky substance made from resin (sometimes mixed with wax), is regularly applied to the bow hair to increase friction.

In making a wooden bow, the greater part of the woodworking is done on a straight stick. According to James McKean,[5] "the bow maker graduates the stick in precise gradations so that it is evenly flexible throughout." These gradations were originally calculated by François Tourte, discussed below. In order to shape the curve or "camber" of the bow stick, the maker carefully heats the stick in an alcohol flame, a few inches at a time, bending the heated stick gradually to the proper shape. A metal or wooden template is used to get the exact model's curve and shape while heating.

The art of making wooden bows has changed little since the 19th century; most modern composite sticks roughly resemble the Tourte design. Various inventors have tried, at times, to come up with new ways of bow making; the Incredibow,[6] for example, has a straight stick cambered only by the fixed tension of the synthetic hair.

Types of bow

French (top) and German (bottom) double bass bows

Slightly different bows, varying in weight and length, are used for the violin, viola, cello, and double bass.

These are generally variations on the same basic design. However, two distinct forms of the double bass bow are in current usage. The "French" overhand bow is constructed along the same lines as the bow used with the other instruments of the orchestral string family. The French stick is grasped from opposite the frog. The "German" or "Butler" underhand bow is broader and longer than the French bow with a larger frog curved to fit the palm of the hand. The German stick is grasped with the hand encompassing the frog loosely. The German bow is the older of the two designs, having superseded the earlier arched bow. The French bow, often chosen by soloists who find it exhibits a greater range of dynamics and better control, became popular with its adoption in the 19th century by virtuoso Giovanni Bottesini. Both are found in the orchestra, though typically an individual bass player prefers to perform using one or the other type of bow.


The characteristic long, sustained, and singing sound produced by the violin, viola, violoncello, and double bass is due to the drawing of the bow against their strings. This sustaining of musical sound with a bow is comparable to a singer using breath to sustain sounds and sing long, smooth, or legato melodies. Without the bow the violin family could only be played pizzicato.

In modern practice, the bow is almost always held in the right hand while the left is used for fingering. When the player pulls the bow across the strings (such that the frog moves away from the instrument), it is called a downbow; pushing the bow so the frog moves toward the instrument is an upbow (the directions "down" and "up" are literally descriptive for violins and violas, and are employed in analogous fashion for the cello and double bass). Two consecutive notes played in the same bow direction are referred to as a hooked bow; a downbow following a whole downbow is called a retake.

Generally, the downbow stroke is used for the strong musical beats, the upbow for weak beats. However, in the viola da gamba, it is the reverse; thus violinists, violists, and cellists look like they are "pulling" on the strong beats when they play, whereas gamba players look like they are "stabbing" on the strong beats. The difference almost certainly results from the different ways in which the bow is held in these instrument families: violin/viola/cello players hold the wood part of the bow closer to the palm, whereas gamba players use the opposite orientation, with the horsehair closer. The orientation appropriate to each instrument family permits the stronger wrist muscles (flexors) to reinforce the strong beat.

String players control their tone quality by touching the bow to the strings at varying distances from the bridge, emphasizing the higher harmonics by playing sul ponticello "on the bridge," or reducing them, and emphasizing the fundamental frequency by playing sul tasto "on the fingerboard".

Occasionally, composers ask the player to use the bow by touching the strings with the wood rather than the hair; this is known by the Italian phrase col legno, "with the wood". Coll'arco, "with the bow", is the indication to use the bow hair to create the sound in the normal way.



The question of when and where the bow was invented is of interest because the bow made possible several of the most important instruments in music today. Authorities give different answers to this question, and this article will give only the predominant opinion.

Scholars are agreed that stringed instruments as a category existed long before the bow. There was a long period—possibly thousands of years—in which all stringed instruments were plucked.

In fact, it is likely that bowed instruments are not much more than a thousand years old. Eric Halfpenny, writing in the 1988 Encyclopædia Britannica, says "bowing can be traced as far back as the Islamic civilization of the 10th century ... it seems likely that the principle of bowing originated among the nomadic horse riding cultures of Central Asia, whence it spread quickly through Islam and the East, so that by 1000 it had almost simultaneously reached China, Java, North Africa, the Near East and Balkans, and Europe." Halfpenny notes that in many Eurasian languages the word for "bridge" etymologically means "horse," and that the Chinese regarded their own bowed instruments (huqin) as having originated with the "barbarians" of Central Asia.

The Central Asian theory is endorsed by Werner Bachmann, writing in the New Grove. Bachmann notes evidence from a tenth century Central Asian wall painting for bowed instruments in what is now the city of Kurbanshaid in Tajikistan.

Circumstantial evidence also supports the Central Asian theory. All the elements that were necessary for the invention of the bow were probably present among the Central Asian horse riding peoples at the same time:

  • In a society of horse-mounted warriors (the horse peoples included the Huns and the Mongols), horsehair obviously would have been available.
  • Central Asian horse warriors specialized in the military bow, which could easily have served the inventor as a temporary way to hold horsehair at high tension.
  • To this day, horsehair for bows is taken from places with harsh cold climates, including Mongolia [1], as such hair offers a better grip on the strings.
  • Rosin, crucial for creating sound even with coarse horsehair, is used by traditional archers to maintain the integrity of the string and (mixed with beeswax) to protect the finish of the bow; for details, see these links: [2][3].

From all this it is tempting to imagine the invention of the bow: some Mongol warrior, having just used rosin on his equipment, idly stroked his harp or lyre with a rosin-dusted finger and produced a brief continuous sound, which caused him to have an inspiration; whereupon he seized his bow, restrung it with horsehair, and so on. Obviously, the degree to which this fantasy is true will never be known.

However the bow was invented, it soon spread very widely. The Central Asian horse peoples occupied a territory that included the Silk Road, along which goods and innovations were transported rapidly for thousands of miles (including, via India, by sea to Java). This would account for the near-simultaneous appearance of the musical bow in the many locations cited by Halfpenny.

The modern Western bow

Turning the screw on a modern violin bow causes the frog (heel) to move, which adjusts the tension on the hair.

The kind of bow in use today was brought into its modern form largely by the archetier / bow-maker François Tourte in 19th century France. Pernambuco wood which was imported into France to make textile dye, was found by the early French bow masters to have just the right combination of strength, resiliency, weight, and beauty. According to James McKean (reference below), Tourte's bows, "like the instruments of Stradivari, as still considered to be without equal."

Historical bows

The early 18th century bow referred to as the Corelli-Tartini model, is also referred to as the Italian 'sonata' bow.This basic Baroque bow supplanted by 1725 an earlier French dance bow which was quite short with a little point. The French dance bow was held with the thumb under the hair and played with short, quick strokes for rhythmic dance music. The Italian sonata bow was longer, from 24-28 inches (61–71 cm.), with a straight or slightly convex stick. The head is described as a pike's head, and the frog is either fixed (the clip-in bow) or has a screw mechanism. The screw is an early improvement, indicative of further changes to come. As compared to a modern Tourte-style bow, the Corelli-Tartini model is shorter and lighter, especially at the tip, the balance point is lower down on the stick, the hair more yielding, and the ribbon of hair narrower about 6 mm wide.

In the early bow (the Baroque bow), the natural bow stroke is a non-legato norm, producing what Leopold Mozart called a "small softness" at the beginning and end of each stroke.

A lighter, clearer sound is produced, and quick notes are cleanly articulated without the hair leaving the string.

A truly great example of such a bow, described by David Boyden,[7] is part of the Ansley Salz Collection at the University of California at Berkeley. It was made around 1700, and is attributed to Stradivari.

Towards the middle of the century (18th century), there was a move into the Transitional period, the separation of hair from stick became greater, particularly at the head. This greater separation is necessary because the stick becomes longer and straighter, approaching a concave shape.

Up until the advent of the bow by Tourte, there was absolutely no standardization of bow features during this Transitional period, and every bow was different in weight, length and balance. In particular, the heads varied enormously by any given maker.

Another transitional type of bow may be called the Cramer bow, after the violinist Wilhelm Cramer (1746–99) who lived the early part of his life in Mannheim (Germany) and, after 1772, in London. This bow and models comparable to it in Paris, generally prevailed between the gradual demise of the Corelli-Tartini model and the birth of the Tourte-that is, roughly 1750-85. In the view of top experts, the Cramer bow represents a decisive step towards the modern bow.

The Cramer bow and others like it were gradually rendered obsolete by the advent of François Tourte's standardized bow. The hair (on the Cramer bow) is wider than the Corelli model but still narrower than a Tourte, the screw mechanism becomes standard, and more sticks are made from pernambuco, rather than the earlier snakewood, ironwood, and china wood, which were often fluted for a portion of the length of the stick.[8]

Fine makers of these Transitional models were Duchaîne, La Fleur, Meauchand, Tourte père, and Edward Dodd.

The underlying reasons for the change from the old Corelli-Tartini model to the Cramer and, finally, to the Tourte were naturally related to musical demands on the part of composers and violinists. Undoubtedly the emphasis on cantabile, especially the long drawn out and evenly sustained phrase, required a generally longer bow and also a somewhat wider ribbon of hair. - David Boyden[9] These new bows were ideal to fill the new, very large concert halls with sound and worked great with the late classical and the new romantic repertoire.

Today, with the rise of the historically informed performance movement, string players have developed a revived interest in the lighter, pre-Tourte bow, as more suitable for playing stringed instruments made in pre-19th century style.

Other types of bow

The Chinese yazheng and yaqin, and Korean ajaeng zithers are generally played by "bowing" with a rosined stick, which creates friction against the strings without any horsehair. The hurdy-gurdy's strings are similarly set into vibration by means of a "rosin wheel," a wooden wheel which contacts the strings as it is rotated by means of a crank handle, creating a "bowed" tone.


Careful owners always loosen the hair on a bow before putting it away. James McKean (reference below) recommends that the owner "loosen the hair completely, then bring it back just a single turn of the button." The goal is to "keep the hair even but allow the bow to relax."

Since hairs may break in service, bows must be periodically rehaired, an operation usually performed by professionals rather than by the instrument owner.

Bows sometimes lose their correct camber (see above), and are recambered using the same heating method as is used in the original manufacture.

Lastly, the grip or winding of the bow must occasionally be replaced to maintain a good grip and protect the wood.

These repairs are best left to professionals, as the head of the bow is extremely fragile, and a poor rehair, or a broken ivory plate on the tip can lead to ruining the bow.


In vernacular speech the bow is occasionally called a fiddlestick. Bows for particular instruments are often designated as such: "violin bow", "cello bow", and so on.

See also


  1. ^ Greenpeace Music Wood Campaign
  2. ^ Erin Shrader. "Shop Visit with Bow Maker John Aniano". Strings Magazine. Retrieved 15 March 2010. "Collections of bows of ipe and other alternative woods by top bow makers have appeared at the Musicora trade show in Paris, at the Violin Society of America’s Innovation Exposition at the 2006 convention, and at the Library of Congress as part of the Federation of Violin and Bow Makers’ 2006 “Players Meet Makers” event." 
  3. ^ Also known as the talon, heel or nut.
  4. ^ Raffin, Jean Francois; Millant, Bernard (2000). L'Archet. Paris: L'Archet Éditions. ISBN 295155690X. 
  5. ^ McKean, James N. (1996) Commonsense Instrument Care. San Anselmo, California: String Letter Publishing. ISBN 978-0962608193
  6. ^ Incredibow web page
  7. ^ Boyden, David. The History of Violin Playing, p. 207
  8. ^ Cramer model bowEarly Bows
  9. ^
  • Harnoncourt, Nikolaus. Baroque music today: music as speech. Amadeus Press, c1988.
  • Saint-George, Henry. The Bow (London, 1896; 2: 1909).
  • Seletsky, Robert E., "New Light on the Old Bow," Part 1: Early Music 5/2004, p. 286-96; Part 2: Early Music 8/2004, p. 415-26.
  • Roda, Joseph (1959). Bows for Musical Instruments. Chicago: W. Lewis. OCLC 906667. 
  • Vatelot, Etienne (1976). Les Archet Francais. Sernor: M. Dufour. OCLC 2850939. 
  • Raffin, Jean Francois; Millant, Bernard (2000). L'Archet. Paris: L'Archet Éditions. ISBN 295155690X. 

Further reading

External links

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