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  2. Kelvin - Wikipedia

    en.wikipedia.org/wiki/Kelvin

    The 19th century British scientist Lord Kelvin first developed and proposed the scale. [5] It was often called the "absolute Celsius" scale in the early 20th century. [6] The kelvin was formally added to the International System of Units in 1954, defining 273.16 K to be the triple point of water.

  3. Scale (music) - Wikipedia

    en.wikipedia.org/wiki/Scale_(music)

    Some scales use a different number of pitches. A common scale in Eastern music is the pentatonic scale, which consists of five notes that span an octave. For example, in the Chinese culture, the pentatonic scale is usually used for folk music and consists of C, D, E, G and A, commonly known as gong, shang, jue, chi and yu. [14] [15]

  4. List of musical scales and modes - Wikipedia

    en.wikipedia.org/wiki/List_of_musical_scales_and...

    List of musical scales and modes Name Image Sound Degrees Intervals Integer notation # of pitch classes Lower tetrachord Upper tetrachord Use of key signature usual or unusual 15 equal temperament: 15-tet scale on C. Play ⓘ — — — 15 — — — 16 equal temperament: 16-tet scale on C. Play ⓘ — — — 16 — — 17 equal temperament ...

  5. Music and mathematics - Wikipedia

    en.wikipedia.org/wiki/Music_and_mathematics

    A musical scale is a discrete set of pitches used in making or describing music. The most important scale in the Western tradition is the diatonic scale but many others have been used and proposed in various historical eras and parts of the world. Each pitch corresponds to a particular frequency, expressed in hertz (Hz), sometimes referred to ...

  6. Musical system of ancient Greece - Wikipedia

    en.wikipedia.org/wiki/Musical_system_of_ancient...

    Musical system of ancient Greece. The musical system of ancient Greece evolved over a period of more than 500 years from simple scales of tetrachords, or divisions of the perfect fourth, into several complex systems encompassing tetrachords and octaves, as well as octave scales divided into seven to thirteen intervals. [1]

  7. Musical notation - Wikipedia

    en.wikipedia.org/wiki/Musical_notation

    This is the beginning of the Prelude from the Suite for Lute in G minor, BWV 995 (transcription of Cello Suite No. 5, BWV 1011). Musical notation is any system used to visually represent music. Systems of notation generally represent the elements of a piece of music that are considered important for its performance in the context of a given ...

  8. Mode (music) - Wikipedia

    en.wikipedia.org/wiki/Mode_(music)

    The modern (diatonic) modes on C. In music theory, the term mode or modus is used in a number of distinct senses, depending on context. Its most common use may be described as a type of musical scale coupled with a set of characteristic melodic and harmonic behaviors.

  9. Musical note - Wikipedia

    en.wikipedia.org/wiki/Musical_note

    Music theory in most European countries and others [note 1] use the solfège naming convention. Fixed do uses the syllables re–mi–fa–sol–la–ti specifically for the C major scale, while movable do labels notes of any major scale with that same order of syllables.