Tremolo, or tremolando, is a musical term that describes various trembling effects, falling roughly into two types. The first is a rapid reiteration
A second type of tremolo is a variation in amplitude,
Some electric guitars use a (somewhat misnamed) device called a "tremolo arm" or "whammy bar" that allows a performer to lower or raise the pitch of a note or chord or apply a vibrato. This non-standard use of the term "tremolo" refers to pitch rather than amplitude.
The undulating tremolo was produced through the fingers of the right hand alternately exerting and relaxing pressure upon the bow to create a "very uncertain–undulating effect ... But it must be said that, unless violinists have wholly lost the art of this particular stroke, the result is disappointing and futile in the extreme," though it has been suggested that rather than as a legato stroke it was done as a series of jetés.
Another common use of the technique on one note, a reiteration, used in the playing of instruments such as the mandolin. It is common in Russian folk music, used in instruments such as the balalaika, domra and gusli. Once a string is plucked, the note decays very rapidly, and by playing the same note many times very rapidly, the illusion of a sustained note can be created. The technique is also common in the playing of the marimba.
Tremolo is also well known classical guitar technique that involves using the thumb to play single bass notes concurrent with, or directly followed by rapid repetition of a higher note played by two (the middle and index) or three (the ring, middle and index) fingers. Francisco Tárrega notably used this technique in his famous composition Recuerdos de la Alhambra.
Tremolo on two or more notes is common on the piano and other keyboard instruments. The composer Franz Liszt often used the technique in his piano pieces. On the piano, tremolo can create a seemingly louder and larger sound that can be sustained indefinitely. Historically, its use on keyboard instruments can be traced back to a time before the invention of the piano when harpsichords and similar instruments such as the spinet were standard. These instruments could not sustain notes for nearly as long as a modern piano, and so tremolo was used to simulate a longer sustain, as well as being used as an independent effect.
Tremolo can also be achieved through the use of amplitude modulation. This type of effect is often used by electronic instruments and takes the form of a multiplication of the sound by a waveform of lower frequency known as an LFO. The result is similar to the effect of rapid bowing on a violin or the rapid keying of a piano. In accordions and related instruments, tremolo by amplitude modulation is accomplished through intermodulation between two or more reeds slightly out of tune with each other. On organ these ondulating ranks are called celeste or onda maris.
Because this is the same notation as would be used to indicate that regular repeated demisemiquavers (thirty-second notes) should be played, the word tremolo or the abbreviation trem., is sometimes added (particularly in slower music, when there is a real chance of confusion). Alternatively, more strokes can be used.
{| |If the tremolo is between two or more notes, the bars are drawn between them: In some music a minim- (Half note) based tremolo is drawn with the strokes connecting the two notes together. | |}
{| |style="width:180px;" valign=top|Violin bowed tremolo: | |} {| | valign=top|Violin fingered tremolo; notice the joining of strokes and stems is different for different time values, and that all notes shorter than eighth notes are written out, such as the last thirty-second notes on the last beat of measure three: | |} {| | valign=top|Violin bowed-and-fingered tremolo, notated the same as fingered tremolo but without slurs and with stacc. above the staff: | |}
Category:Musical techniques Category:Italian loanwords Category:String performance techniques Category:Ornament
ca:Trèmolo cs:Tremolo da:Tremolo (Guitar) de:Tremolo es:Trémolo eo:Tremsono fr:Trémolo nl:Tremolo ja:トレモロ nn:Tremolo pl:Tremolo pt:Tremolo ru:Тремоло fi:Tremolo sv:Tremolo uk:ТремолоThis text is licensed under the Creative Commons CC-BY-SA License. This text was originally published on Wikipedia and was developed by the Wikipedia community.
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