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ARTICLES IN THE BOOK

  1. 6/8 time
  2. A (note)
  3. Abc notation
  4. Accidental
  5. Articulation
  6. B (note)
  7. Bar
  8. Beam
  9. Braille Music
  10. Breath mark
  11. Canntaireachd
  12. Chord
  13. Cinquillo
  14. Clef
  15. Coda
  16. Copyist
  17. Da capo
  18. Dal segno
  19. Dotted note
  20. Double whole note
  21. Drum tablature
  22. Dynamics
  23. Eight note
  24. Ekphonetic notation
  25. Fermata
  26. Figured bass
  27. Fingering
  28. Flat
  29. Ghost note
  30. Glissando
  31. Gongche notation
  32. Grace note
  33. Grand staff
  34. Graphic notation
  35. GUIDO music notation
  36. Guido of Arezzo
  37. Halfnote
  38. Harmony
  39. Hundred twenty-eighth note
  40. Italian musical terms used in English
  41. Kepatihan
  42. Key
  43. Keyboard tablature
  44. Key signature
  45. Klavarskribo
  46. Leadsheet
  47. Ledger line
  48. Legato
  49. Letter notation
  50. Ligature
  51. Marcato
  52. Mensural notation
  53. Mensurstriche
  54. Metre
  55. Modern musical symbols
  56. Musical notation
  57. Musical scale
  58. Musical terminology
  59. Music engraving
  60. Music theory
  61. Nashville notation
  62. Natural sign
  63. Neume
  64. Note
  65. Note value
  66. Numbered musical notation
  67. Numerical sight-singing
  68. Octave
  69. Ornament
  70. Parsonscode
  71. Partbook
  72. Pizzicato
  73. Portamento
  74. Prolation
  75. Qinpu
  76. Quarter note
  77. Rastrum
  78. Rehearsal letter
  79. Repeat
  80. Rest
  81. Rhythm
  82. Rythmic mode
  83. Rhythmic notation
  84. Saptak
  85. Scientific pitch notation
  86. Shape note
  87. Sharp
  88. Sheet music
  89. Sixteenth note
  90. Sixty-fourth note
  91. Slash notation
  92. Slur
  93. Sound painting
  94. Staccatissimo
  95. Staccato
  96. Staff
  97. Swung note
  98. Tablature
  99. Tacet
  100. Tempo
  101. Tenuto
  102. Thirty-second note
  103. Tie
  104. Time signature
  105. Time unit box system (TUBS)
  106. Tongan music notation
  107. Triple metre
  108. Tuplet
  109. Unfigured bass
  110. Virtual music score
  111. Vocal score
  112. Whole note
  113. Znamennoe singing
 



MUSICAL NOTATION
This article is from:
http://en.wikipedia.org/wiki/Tuplet

All text is available under the terms of the GNU Free Documentation License: http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License 

Tuplet

From Wikipedia, the free encyclopedia

 

In music a tuplet is any consecutive group of notes with an individual value more or less than (not equal to) half as long as the next larger note value. This is usually indicated with a horizontal (or nearly horizontal) bracket with a number over a tuplet indicating how many notes of the same altered value (or duration) are to be performed.

Tuplet: a standard triplet; a triplet denoted without a bracket; a tuplet denoted as a ratio
Tuplet: a standard triplet; a triplet denoted without a bracket; a tuplet denoted as a ratio

Explanation

The most common tuplet is the triplet (G. triole), shown at right. Whereas normally two quarter notes are the same duration as a half note, three triplet quarter notes total that same duration, so the duration of a triplet quarter note is 2/3 the duration of a standard quarter note. Similarly, three triplet eighth notes are equal in duration to one quarter note. If several note values appear under the triplet bracket, they are all affected the same way, reduced to 2/3 their original duration.

Tuplets notation

If the notes of the tuplet are beamed together, the bracket may be omitted and the number written above the beam, as shown in the second illustration. Occasionally the bracket is omitted when the notes are slurred together.

For other tuplets, the number indicates a ratio to the next lower power of two. So a quintuplet indicated with the numeral 5 means that five of the indicated note value total the duration normally occupied by four, equivalent to the second higher note value; for example, five quintuplet eighth notes total the same duration as a half note. Some numbers are used inconsistently: for example septuplets are sometimes used to mean 7 notes in the duration of 4, but other times to mean 7 notes in the duration of 8. To avoid ambiguity, composers sometimes write the ratio explicitly instead of just a single number, as shown in the third illustration.

In compound metre, even-numbered tuplets can indicate that a note value is changed in relation to the dotted version of the next higher note value. Thus, two duplet eighth notes (most often used in 6/8 meter) take the time normally totalled by three eighth notes, equal to a dotted quarter note. Four quadruplet eighth notes would also equal a dotted quarter note. The duplet eighth note is thus exactly the same duration as a dotted eighth note, but the duplet notation is more often used in compound meters.

Usage and purpose

Tuplets can produce irrational rhythms, especially hemiola, or may be used as polyrhythms when played against the regular duration. They are extrametric rhythmic units.

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