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Saxophone

Single-reed woodwind instrument

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The extended saxophone family, in eight sizes from piccolo to contrabass. Left to right: soprillo (piccolo in B♭) by Eppelsheim, Munich; sopranino in E♭ by Romeo Orsi, Milan; soprano in B♭, alto in E♭
Jonathanischoice · CC BY 4.0

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Through Brass and Harmonic

The saxophone is used in a wide range of musical styles, including classical music (such as concert bands, chamber music, solo repertoire, and occasionally orchestras), military bands, marching bands, jazz (such as big bands and jazz combos), and contemporary music. The saxophone is also used as a solo and melody instrument or as a member of a horn section in some styles of rock and roll and popular music.

The saxophone was invented by the Belgian instrument maker Adolphe Sax in the early 1840s and was patented on 28 June 1846. Sax invented two groups of seven instruments each—one group contained instruments in C and F, and the other group contained instruments in B♭ and E♭. The B♭ and E♭ instruments soon became dominant, and most saxophones encountered today are from this series. Instruments from the series pitched in C and F never gained a foothold and constituted only a small fraction of instruments made by Sax. High-pitch (also marked "H" or "HP") saxophones tuned sharper than the (concert) A = 440 Hz standard were produced into the early twentieth century for sonic qualities suited for outdoor use, but are not playable to modern tuning and are considered obsolete. Low-pitch (also marked "L" or "LP") saxophones are equivalent in tuning to modern instruments. C soprano and C melody saxophones were produced for the casual market as parlor instruments during the early twentieth century, and saxophones in F were introduced during the late 1920s but never gained acceptance.

The modern saxophone family consists entirely of B♭ and E♭ instruments. The saxophones in widest use are the B♭ soprano, E♭ alto, B♭ tenor, and E♭ baritone. The E♭ sopranino and B♭ bass saxophone are typically used in larger saxophone choir settings, when available.

In the table below, consecutive members of each family are pitched an octave apart.

Description

Construction

The pitch of a saxophone is controlled by opening or closing the tone holes along the body of the instrument to change the length of the vibrating air column. The tone holes are closed by leather pads connected to keys—most are operated by the player's fingers, but some are operated using the palm or the side of a finger. There is an octave (register) key, which raises the pitch of the lower notes by one octave. The lowest note on most modern saxophones is the written B♭ below middle C. Nearly all baritone saxophones are now constructed with an extra key to allow them to play low A, and a small number of altos with a low A key have been manufactured. The highest keyed note has traditionally been the F two and a half octaves above the low B♭, but many instruments now have an extra key for a high F♯, and some modern soprano saxophones even have a high G key. Notes above this are part of the altissimo register and require advanced embouchure techniques and fingering combinations.

Saxophone music is written in treble clef, appropriately transposed for each different type of instrument, and all saxophones use the same key arrangement and fingerings. Therefore, any written note corresponds to the same fingering on any saxophone, making it easier for players to switch between instruments.

Alto and larger saxophones have a detachable curved neck at the top and a U-shaped bend (the bow) that turns the tubing upward as it approaches the bell. Soprano and sopranino saxophones are usually constructed without a detachable neck or a bow; however, some have a small detachable neck and some are shaped like an alto saxophone with a bow section. There are rare examples of alto, tenor, and baritone saxophones with mostly straight bodies. Baritone, bass, and contrabass saxophones have extra bends to accommodate the length of tubing. The fingering system for the saxophone is similar to the systems used for the oboe, the Boehm-system clarinet, and the flute.

Materials

From the earliest days of the saxophone, the body and key cups have been made from sheet brass stock, which can be worked into complex shapes. The keywork is manufactured from other types of brass stock. King made saxophones with necks and bells of sterling silver from the 1930s into the early 1960s. Yanagisawa revived this idea in the 1980s and later introduced instruments entirely made of sterling silver. Keilwerth and P. Mauriat have used nickel silver, a copper-nickel-zinc alloy more commonly used for flutes, for the bodies of some saxophone models. For visual and tonal effect, higher copper variants of brass are sometimes substituted for the more common "yellow brass" and "cartridge brass". Yanagisawa made its 902 and 992 series saxophones with the high copper alloy phosphor bronze to achieve a "darker", more "vintage" tone than the brass 901 and 991 models.

Other materials are used for some mechanical parts and keywork. Buttons where the fingers contact the keys are usually made from plastic or, traditionally, mother of pearl. Rods, screw pins, and springs are usually made of blued or stainless steel. Mechanical buffers of felt, cork, leather, and various synthetic materials are used to minimize mechanical noise from key movement and to optimize the action of the keywork. Nickel silver is sometimes used for hinges for its advantages of mechanical durability, although the most common material for such applications has remained brass.

Manufacturers usually apply a finish to the surface of the instrument's body and keywork. The most common finish is a thin coating of clear or colored acrylic lacquer to protect the brass from oxidation and maintain a shiny appearance. Silver or gold plating are offered as options on some models. Some silver plated saxophones are also lacquered. Plating saxophones with gold is an expensive process as an underplating of silver is required for the gold to adhere to. Nickel plating has been used on the bodies of early budget model saxophones and is commonly used on keywork when a more durable finish is desired, mostly with student model saxophones. Chemical surface treatment of the base metal has come into use as an alternative to the lacquer and plating finishes in recent years.

Mouthpiece and reed

The saxophone uses a single-reed mouthpiece similar to that of the clarinet. Each size of saxophone (alto, tenor, etc.) uses a different size of reed and mouthpiece.

Most saxophonists use reeds made from Arundo donax cane, but since the middle of the twentieth century some have been made of fiberglass or other composite materials. Saxophone reeds are proportioned slightly differently from clarinet reeds, being wider for the same length. Commercial reeds vary in hardness and design, and single-reed players try different reeds to find those that suit their mouthpiece, embouchure, and playing style.

Mouthpiece design has a profound impact on tone (timbre), but there is a lack of quantified data on mouthpiece timbre, and different players may have different perceptions of a "bright" or "dark" sound. In a 1972 study where performers ranked mouthpieces on a scale from "dark-mellow" to "edgy-bright", the "darkest" mouthpiece yielded a spectrum with a strong fundamental frequency, most of the energy concentrated in the lower harmonics, and a progressive decrease in strength across the higher harmonics. A sound characterized as "richer" featured more energy in the slightly higher harmonics, with less energy in the 2nd and 4th. In general, "brighter" mouthpieces tended to feature higher harmonics that did not decrease smoothly in energy. Different mouthpiece design characteristics and features tend to be favored for different styles. Early mouthpieces were designed to produce a "warm" and "round" sound for classical playing. Among classical mouthpieces, those with a concave ("excavated") chamber are truer to Adolphe Sax's original design; these provide a softer or less piercing tone favored by the Raschèr school of classical playing. Saxophonists who follow the French school of classical playing, influenced by Marcel Mule, generally use mouthpieces with smaller chambers for a somewhat "brighter" sound with relatively more upper harmonics. The use of the saxophone in dance orchestras and jazz ensembles from the 1920s onward placed emphasis on dynamic range and projection, leading to innovation in mouthpiece designs. At the opposite extreme from the classical mouthpieces are those with a small chamber and a low clearance above the reed between the tip and the chamber, called high baffle. These produce a "bright" sound with maximum projection, suitable for having a sound stand out among amplified instruments.

Mouthpieces come in a wide variety of materials, including vulcanized rubber (sometimes called hard rubber or ebonite), plastic, and metals like bronze or surgical stainless steel. Less common materials that have been used include wood, glass, crystal, porcelain, and bone. Recently, Delrin has been added to the variety of mouthpiece materials.

The effect of mouthpiece materials on tone of the saxophone has been the subject of much debate. According to Larry Teal, the mouthpiece material has little, if any, effect on the sound, and the physical dimensions give a mouthpiece its tone color. There are examples of "dark" sounding metal pieces and "bright" sounding hard rubber or polycarbonate pieces. The extra bulk required near the tip with hard rubber affects mouth position and airflow characteristics.

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