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  2. Otonality and utonality - Wikipedia

    en.wikipedia.org/wiki/Otonality_and_Utonality

    Melodic inversion is not inversion in the usual sense, in which C–E–G becomes E–G–C or G–C–E. Instead, C–E–G is turned upside down to become C–A ♭ –F. A chord's odd limit is the largest of the odd limits of each of the numbers in the chord's extended ratio. For example, the major triad in close position is 4:5:6.

  3. Atmospheric temperature - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_temperature

    Average yearly temperature is 22.4 °C, ranging from an average minimum of 12.2 °C to a maximum of 29.9 °C. The average temperature range is 11.4 °C. [6] Variability throughout the year is small (standard deviation of 2.31 °C for the maximum monthly average and 4.11 °C for the minimum). The graph also shows the typical phenomenon of ...

  4. List of musical symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_musical_symbols

    Musical symbols are marks and symbols in musical notation that indicate various aspects of how a piece of music is to be performed. There are symbols to communicate information about many musical elements, including pitch, duration, dynamics, or articulation of musical notes; tempo, metre, form (e.g., whether sections are repeated), and details about specific playing techniques (e.g., which ...

  5. Minor chord - Wikipedia

    en.wikipedia.org/wiki/Minor_chord

    More tunings of the minor chord are also available in various equal temperaments other than 12-TET. Rather than directly from the harmonic series, Sorge derived the minor chord from joining two major triads; for example the A minor triad being the confluence of the F and C major triads. [13] A–C–E = F–A–C–E–G. Given justly tuned ...

  6. Piano key frequencies - Wikipedia

    en.wikipedia.org/wiki/Piano_key_frequencies

    F ♯ ͵͵/G ♭ ͵͵ F ♯ 0 /G ♭ 0-2 23.12465 94 17 F͵͵ F 0-3 21.82676 93 16 E͵͵ E 0-4 20.60172 92 15 D ♯ ͵͵/E ♭ ͵͵ D ♯ 0 /E ♭ 0-5 19.44544 91 14 D͵͵ D 0-6 18.35405 90 13 C ♯ ͵͵/D ♭ ͵͵ C ♯ 0 /D ♭ 0-7 17.32391 89 12 C͵͵ sub-contra-octave: C 0 Double Pedal C -8 16.35160

  7. Scale height - Wikipedia

    en.wikipedia.org/wiki/Scale_height

    These figures should be compared with the temperature and density of Earth's atmosphere plotted at NRLMSISE-00, which shows the air density dropping from 1200 g/m 3 at sea level to 0.125 g/m 3 at 70 km, a factor of 9600, indicating an average scale height of 70 / ln(9600) = 7.64 km, consistent with the indicated average air temperature over ...

  8. Total air temperature - Wikipedia

    en.wikipedia.org/wiki/Total_air_temperature

    The air is compressed and experiences an adiabatic increase in temperature. Therefore, total air temperature is higher than the static (or ambient) air temperature. Total air temperature is an essential input to an air data computer in order to enable the computation of static air temperature and hence true airspeed.

  9. Undertone series - Wikipedia

    en.wikipedia.org/wiki/Undertone_series

    Undertone series: C C F C A ♭ F; The undertone series in C contains the F minor triad. Elizabeth Godley argued that the minor triad is also implied by the undertone series and is also a naturally occurring thing in acoustics. [9] "According to this theory the upper and not the lower tone of a minor chord is the generating tone on which the ...