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0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Hornbostel-Sachs System Western Symphonic Classification Terms - T t. sax tablature table table d'harmonie table-book tabor tacet tactus Tafelmusik tail tailgate taille de hautbois tailpiece Takt Taktstrich tala talea tallone talon talón tam-tam tambour militaire tambourin tambourine tambura tamburo militare tangent tango tanto tantum ergo Tanz tap dance taps tarantella tardamente tardo tastato tastiera tasto tasto solo tattoo tavola armonica tavoletta sibilante Te Te Deum laudamus technic technique tedesca tema temperament tempestoso temple blocks tempo tempo giusto tempo I° tempo ordinario tempo primo tempo rubato tempus tempus imperfectum tempus imperfectum diminutum tempus perfectum ten stroke roll ten. ten. sax teneramente tenerezza tenor tenor C tenor clef tenor cor tenor crumhorn tenor drum tenor horn tenor oboe tenor recorder tenor sax tenor saxophone tenor trombone tenor tuba tenor violin tenore di forza tenore robusto Tenorlied Tenorsaxophon Tenorschlüssel tenso tenth tenuto terce terminal double bar ternary form terraced dynamics tertian harmony tertiary harmony terza picarda terzet terzetto tessitura testa testina testo tête de la note tetrachord text declamation text painting text setting texture The American Bandmasters Association The Five The Mighty Handful theater organ thematic catalogue thematic development thematic transformation theme theme and variations theme group themes, contrasting theorbo theremin thesis third third stream thirteen stroke roll thirteenth thirteenth chord thirty-second note thirty-second rest thoroughbass three-line three-part form threnody throat tone through-composed thumb hole thumb piano thunder machine thunder stick Ti tibia tie tief tiento tierce de picardie timbal timbale timbales timballi timballo timbals timbre time time signature timoroso Timp. timpani timpano Tin Pan Alley tin whistle tip tiré To Arms To The Color to the end toccata tocsin Todesgesang Todtenlied toiling tolling tom-tom tombeau Ton tonada tonal tonality Tonart tone tone cluster tone color tone poem tone row tonette tongue tonguing tonic tonic accent tonic chord tonic sol-fa tonicization Tonleiter tonus tonus peregrinus too much top torculus torculus respinus tornadas tosto total serialism Totenklage Totenmesse touch touche toujours tourdion tourney toy track tract train whistle tranquillo transcription transformation transition transpose transposing instruments transposition transverse flute traquenard tratt. trattenuto Trauermarsch Trauermusik traurig trautonium tre corde treble treble clef treble shift tremolando tremolo tremulant trentaduesimo trente et deuxième de soupir trepak très très détaché très lent très net très vif triad triangle Tribrach tricinium trigger trigonon trill trillo trio trio sonata triolet triple croche triple flat triple meter triple paradiddle triple ratamacue triple sharp triple stroke roll triple-stop triplet triplum tristamente Tristan chord tritone tritonic trochee tromba trombón trombone trombone trombone Trommelbass tromp trompa trompe de Bearn trompeta Trompete trompette tronco trop trope troppo troubadour trouvère trump trumpet trumpet marine tuba tubular bells tudel tune tuned percussion tuning tuning fork tuning peg tuning pin tuning slide turba turca Turmmusik turn tutta forza tutta la forza tutti twelfth twelve-note music twelve-tone music twelve-tone row Twentieth century music two part form two step two-line tympani tympanium tyrolienne tzigane trigger

[English]

A lever used on certain brass instruments that provide special functionality. The lever will typically operate a rotary valve to add tubing to the instrument and lower the key (tonality) of the instrument's harmonic overtone series or control the movement of one the tuning slides to provide a high degree of control over intonation. The trigger is typically operated by the index finger, thumb, or fourth (little) finger depending upon the instrument. The most common use of the trigger is on trombone, horns, tubas, and trumpets. Horn Thumb Triggers The modern horn is an instrument in the key of F. The double horn has a trigger to put the horn into the key of B-flat (raising the key by a perfect fourth). A double horn will normally have two full sets of tubing (one set for F and one for B-flat) and the thumb trigger will route the air stream through the second set of tubes. The air stream is directed into the F tubes (F side) or the B-flat tubes (B-flat side) depending upon whether or not the trigger is engaged. The F side of the horn works well for the lower pitches and the B-flat side of the horn is better suited for the higher register of the instrument since the tubing is shorter. Trombone Triggers The trombone is in the key of B-flat. Typically the bass trombones and many large bore tenor trombones will have a trigger to put the instrument into the key of F (lower the key by a perfect fourth). This allows the performer to perform the low C and B-flat (on the bass clef staff) in 1st and 2nd positions rather than the normal 6th and 7th positions providing better flexibility in fast passages. It also extends the playable notes in the low range between the F below the staff (FF) to the low C (CC). As a side note, the extra tubing associated with the trigger systems will always have a tuning slide to allow the performer to correctly tune that portion of the instrument. Often long tuning slides are used that can be pulled out far enough to allow the same attachment to be tuned to E (a half step lower) and increase the range of possiblilities for certain musical passages. The use of the trigger also changes the positions of the notes slightly. Bass trombones often have a second trigger which is either "dependent" or "independent" of the first trigger. That means, in the dependent trigger system, the second trigger will not work unless the first trigger is also engaged. The independent trigger system allows each trigger to be used independently. Typically, the second trigger will be in the key of D (extendable to D-flat). The use of the independent trigger system will have four keys available in one trombone: B-flat, F, G (or G-flat), and D (or D-flat). Trumpet & Tuba Triggers Trumpets and tubas will occasionally have trigger devices that will allow the performer to slightly extend the first or third valve tuning slides to adjust the intonation for certain valve combinations. They can be spring-loaded so the tuning slide (once extended) will return to it's original position once the trigger is released.

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