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See also:DOUBLE See also:BASS (Fr. contrebasse; Ger. Kontrabass, See also:Gross Bass See also:Geige; Ital. contrabasso, violone) , the largest member of the See also:modern See also:family of stringed See also:instruments played with a See also:bow, known as the See also:violin family, and the lowest in See also:pitch . The See also:double See also:bass differs slightly in construction from the other members of the family in that it has slanting shoulders (one of the features of the See also:viola da gamba, see VIOLIN); that is to say that where the belly is joined by the See also:neck and See also:finger-See also:board, it has a decided point, whereas in the violin, viola and See also:violoncello, the finger-board is at right-angles to the See also:horizontal See also:part of a wide See also:curve . It is probable that the shoulders of the double bass were made drooping for the See also:sake of additional strength of construction on See also:account of the See also:strain caused by the tension of the strings . The double bass was formerly made with a See also:flat back—another characteristic of the See also:viol family—whereas now the back is as often found arched as flat . The bow :s for obvious reasons shorter and stouter than the violin bow . The technique of the double bass presents certain difficulties inherent in an See also:instrument of such large proportions . The stretches for the fingers are very See also:great, almost double those required for the violoncello, and owing to the thickness of the strings great force is required to See also:press them against the finger-board when they are vibrating . The performer plays See also:standing owing to the great See also:size of the instrument . The double bass sometimes has three strings tuned in See also:England and See also:Italy in fourths; ~~=1 in See also:France and See also:Germany to fifths . 8-~= Owing to the scoring of modern composers, however, it was found necessary to adopt an accordance of four strings in See also:order to obtain the additional See also:lower notes required, although this entails the See also:sacrifice of beauty of See also:tone, the three-stringed instrument being more sonorous . Some orchestras make a See also:compromise dividing the double basses intotwo equal sections of three and four-stringed basses . The four strings are tuned in fourths:— = Mr A .
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See also: The lowest octave is mainly used as a fundamental octave bass to 'cello, See also:bassoon or See also:trombone . The tone of the See also:pizzicato is full and See also:rich owing to the slowness of the vibrations, and it changes See also:character according to the harmonies which See also:lie above it: with a chord of the diminished seventh above it, for instance, the pizzicato sounds like a menace, but with the See also:common chord See also:calm and majestic . Both natural and artificial harmonics are possible on the double bass, the former being the best; but they are seldom used in orchestral See also:works . As an instance of their use may be cited the See also:scene by the See also:Nile at the beginning of the third See also:act of See also:Verdi's Aida, where harmonics are indicated for both 'cellos and double basses . The technical capabilities of the double bass are necessarily some-what more limited than those of the violoncello . See also:Quick passages, though possible, are seldom written for it; they cannot sound clear owing to the See also:time required for the strings to vibrate . An excellent effect is produced by what is known as the intermittent tremolo: owing to the See also:elasticity of the bow, it rebounds several times on the strings when a single See also:blow is sharply struck, forming a See also:series of See also:short tremolos . The double bass is the See also:foundation of the whole See also:orchestra and therefore of great importance; it plays the lowest part, often, as its name indicates, only doubling the 'cello part an octave lower . |
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