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Tuba
en: Tuba, it: Tuba, fr: Tuba, de: Tuba, sp: Tuba
Classification Wind Brass Aerophone Playing range Related instruments Euphonium, Sousaphone, Contra bass bugle

The tuba is the largest of the low-brass instruments and is one of the most recent additions to the modern symphony orchestra, first appearing in the mid-19th century, when it largely replaced the ophicleide.

Contents 1 Role of tuba 2 Types and construction 3 Jazz 3.1 Notable jazz tubists 4 Miscellaneous 5 External links

Role of tuba

There is usually only one tuba in an orchestra, and it is used as the bass of the brass section, though its versatility means that it can be used to reinforce the strings and woodwind, or increasingly as a solo instrument. Symphonie Fantastique by Hector Berlioz was the first major work orchestrated for tuba. It was originally scored for two ophicleides, but Berlioz changed it after hearing the newly invented tuba. Other composers such as Richard Strauss ['Also Sprach Zarathustra', 'Eine Alpensinfonie'], Shostakovich [4th Symphony] and Stravinsky [The Rite of Spring] have also used two tubas.

Concertos for Tuba have been written by Ralph Vaughan Williams, Edward Gregson, John Williams, Robert Fleming, Gary Kulesha, Josef Horovitz, and Samuel Jones.

Tubas are also used in wind and concert bands and in British style brass bands, although in the latter instance both Eb and BBb tubas are used, usually two of each.

Types and construction

Tubas are found in various pitches, most commonly in F, Eb, C, or Bb in "brass band" pitching. The main bugle of Bb tubas is approximately 18 feet long, while C tubas are 16 feet, Eb tubas 13 feet, and F tubas 12 feet in tubing length without adding any valve branches. Tubas are considered to be conical in shape as from their tapered bores, they steadily increase in diameter along their lengths. If the tubing is wrapped for placing the instrument on the player's lap, the instrument is usually called a tuba or concert tuba. It may have a bell pointing forward instead of upward, in which case it is often called a recording tuba because of its popularity in the early days of recorded music. When wrapped to surround the body for marching, it is traditionally known as a helicon. A sousaphone is a helicon with a bell pointed up, or then curved to point forward (really, a recording sousaphone).

When reading bass clef music, all of which is usually in concert pitch, all tubas play the notes as they sound and must know the correct fingerings for their instrument, because the fingerings are different for instruments in each of the four tuba pitches. Music for brass band is written on the treble clef, usually a ninth above the sounded note, to facilitate music interchangeability with other brass band instruments. The CC tuba is the common professional instrument in the United States and is used as the default instrument in American orchestras. In the United Kingdom, the Eb tuba is the default professional instrument, though many will supplement it with the C tuba in orchestral applications for big works. In Europe, the F tuba is the common default instrument in orchestras, though American practice is taking hold in some European orchestras. In Germany, Austria and Russia in particular, orchestral tuba players will use an Bb tuba when extra weight is desired. In military or concert bands and brass bands, the BBb tuba is preferred because its intonation better matches that of other wind instruments in Bb or Eb. Players of the Eb tuba often find themselves in demand from brass bands, where they read music in treble clef pitched in Eb, as well as orchestras where they read music in bass clef at concert pitch (C).

The lowest pitched tubas are the contrabass tubas, pitched in C or Bb; (referred to as CC and BBb tubas respectively, based on a traditional distortion of a now-obsolete octave naming convention). The BBb is almost exclusively used in brass bands because the other instruments are usually based on Bb. The CC tuba is used as an orchestral instrument in the U.S. because they are perceived to tune more easily with other orchestral instruments, but BBb tubas are the contrabass tuba of choice in German, Austrian, and Russian orchestras. Most beginners play BBb tubas to start with, and the Bb tuba is still the standard adult amateur instrument in the United States. Most professionals (and those trained or training to be professionals) in the U.S. play C tubas, but most also are trained in proficiency of all four pitches of tubas.

The next smaller tubas are the bass tubas, pitched in F or Eb (a fourth above the contrabass tubas). The Eb Tuba often plays an octave above the contrabass tubas in brass bands, and the F tuba is commonly used by professional players as a solo instrument and, in America, to play higher parts in the classical repertoire. In most of Europe, the F tuba is the standard orchestral instrument, supplemented by the C or Bb only when the extra weight is desired. In the United Kingdom, the Eb is the standard orchestral tuba. The euphonium is sometimes referred to as a tenor tuba, and is pitched one octave higher than (in Bb) than the BBb contrabass tuba. The "French tuba" corresponds to the tenor tuba, but is pitched in C and has 6 valves.

Though extremely rare, there have been larger BBBb subcontrabass tubas created. There were at least four known examples created. The first two were built by the Gustav Besson on the suggestion of American Bandmaster John Philip Sousa. The monster instruments were not completed until just after Sousa's death. lphoto Later, in the 1950's British musician Gerald Hoffnung commishioned the London firm of Paxman to create a subcontrabass tuba for use in his comedic music festivals. photo These three instruments were all pitched in BBBb, one octave below the standard Bb tuba. Also, a tuba pitched in FFF was made in Kraslice by the manufacturer Bohlad & Fuchs probably already in the years 1910/1911 and was destined for the World Exhibition in New York in 1913. This tuba is "playable", but two persons are needed; one presses the valves and one blows. photo

Comparison of euphonium (left) and tuba (right)

Tubas come in both piston and rotary valve models. Rotary valves are based on a design that derived from the Berlinerpumpen used on the very first bass tuba patented by Wilhelm Wieprecht in 1835. Cerveny of Graslitz was the first to use true rotary valves, starting in the 1840's or 1850's. Piston valves are based on valves developed by Perinet for the Saxhorn family of instruments promoted by Adolphe Sax around the same time. Pistons may either be oriented to point to the top of the instrument (top-action, as pictured at left) or out the front of the instrument (front-action or side-action). Debate abounds as to the advantages and disadvantages of each piston style, with assertions concerning sound, speed, and clarity commonly proclaimed but with little or no scientific measurement. The German tradition prefers rotary valves; the British and American traditions favor piston valves (top-action in the case of British; front-action in the case of American), but this is not absolute and choice of valve types remains up to the performer.

Tubas generally have from three to six valves, though some rare exceptions exist. Three-valve tubas are generally the least expensive and are almost exclusively used by beginners and amateurs, and the sousaphone (a marching instrument which is just a different way to wrap the tubing of a Bb tuba) almost always has three valves. Among more advanced players, four and five valve tubas are by far the most common choices, with six valve tubas being relatively rare except for F tubas intended to be used by European orchestral performers.

The valves add tubing to the bugle of the instrument, thus lower its fundamental pitch. The first valve lowers the bugle by a whole step (two semitones), the second valve by a semitone, and the third valve by three semitones. Used in the combination, the valves are too short and the resulting pitch tends to be sharp. For example, a Bb bugle becomes an Ab bugle when the first valve is depressed. The third valve is long enough to lower a Bb bugle by three semitones, but it is not long enough to lower an Ab bugle by three semitones. Thus, the first and third valves used in combination lower the bugle by something just short of five semitones, and the first three valves used in combination are nearly a quarter tone sharp.

Tuba with four rotary valves.

The fourth valve is used in place of combinations of the first and third valves, and the second and fourth used in combination are used in place of the first three valves in combination. The fourth valve can be tuned to accurately lower the pitch of the main bugle five semitones, and thus its use corrects the main problem of combinations being too sharp. By using the fourth valve by itself to replace the first and third combination, or the fourth and second valves in place of the first, second and third valve combinations, the notes requiring these fingerings are more in tune.

The fifth and sixth valves are used to provide alternative fingering possibilities in the low register of the instrument where all the valves will be used in combination to fill the first octave between the fundamental pitch and the next available note on the open bugle.

Since the bass tuba in F is pitched a fifth above the BBb tuba and a fourth above the CC tuba, it needs additional tubing length beyond that provided by four valves to play securely down to a low F as required in much tuba music. The fifth valve is commonly tuned to a flat whole step, so that when used with the fourth valve, it gives an in-tune low Bb. The 6th valve is commonly tuned as a flat half step, allowing the F tuba to play low G as 1-4-5-6 and low Gb as 1-2-4-5-6. In CC tubas with five valves, the fifth valve may be tuned as above or tuned to replace the 2-3 combination depending on the instrument selected.

Some believe that the external finish of the tuba can play an important role in the tone production, though this has never been objectively measured. Performers have individual preferences on the finish that they select, and will sometimes have horns in more than one finish for different musical settings. However, tone quality is subjective and there is no scientific basis for these claims. Tubas are generally finished in raw brass, lacquered brass, or silver-plated brass.

Some piston-valved tubas have a compensating system to allow accurate tuning when using several valves in combination to play low notes, simplifying fingering and removing the need to constantly adjust slide positions. The most common approach is to plumb the valves so that if the fourth valve is used, the bugle is sent back through a second set of branches in the first three valves to compensate for the combination of valves. This does have the disadvantage of making the instrument significantly more 'stuffy' or resistant to air flow when compared to a non-compensating tuba. This is due to the need for the air to flow through the valve block twice. It also makes the instrument heavier. But many prefer this approach to additional valves or to manipulation of tuning slides while playing to achieve perfect intonation within an ensemble.

Jazz

Tubas have been used in jazz from the music's beginning. In the earliest years, bands often used a tuba for outdoor playing and a double bass for indoor jobs. In this context, the tuba was sometimes called "brass bass," as opposed to the double bass, which was called "string bass"; it was not uncommon for players to double on both instruments.

In modern jazz, the role of the two bass instruments remains similar. Tubas are usually featured in a supporting role, although it is not uncommon for them to take solos. Many jazz bands actually use a sousaphone, commonly if technically incorrectly called a "tuba" in this context. One of the most prominent tubists specializing in jazz is the New York City-based Marcus Rojas, who has performed frequently with bandleader Henry Threadgill. Another notable group is the Modern Jazz Tuba Project, which consists of tubas and euphoniums.

The tuba has also played a large role in ragtime music, and in big band music, the tuba (usually bass tuba pitched in Eb) would provide a walking bass similar to that of a double bass, but with a larger range.

Notable jazz tubists

Chink Martin Abraham
Dave Bargeron
Roger Bobo
Ron Caswell
Ray Draper
Michel Godard
Howard Johnson
Sam Pilafian
Marcus Rojas
Jim Self
Patrick Sheridan
Cyrus St. Clair
Bob Stewart
Jonathan Sass
Sergio Carolino
William Wolfgang
Matt Perrine, a.k.a. "Tubop"

Miscellaneous

Former Chicago Symphony Orchestra tuba player Arnold Jacobs was well-known for his breathing techniques and teachings.

Some tubas are capable of being converted into a marching style. A leadpipe can be manually screwed on next to the valves. The tuba is then usually rested on the left shoulder (although some tubas allow use of the right shoulder), with the bell facing directly in front of the player. However, many players usually opt for the much easier alternative, the sousaphone.

External links

• The International Tuba-Euphonium Association.
• Tuba News, a free monthly online publication for tuba and euphonium players.
• International Tuba Day
• Tubenet Sean Chisham's popular Tubenet discussion forum.
• Brass-Forum.co.uk UK based brass discussion forum.
• Brassmusic.Ru — Russian Brass Community
• The Wagner tuba
• Acoustics of Brass Instruments from Music Acoustics at the University of New South Wales.