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  2. A440 (pitch standard) - Wikipedia

    en.wikipedia.org/wiki/A440_(pitch_standard)

    In the period instrument movement, a consensus has arisen around a modern baroque pitch of 415 Hz (with 440 Hz corresponding to A ♯), a 'baroque' pitch for some special church music (in particular, some German church music, e.g. the pre-Leipzig period cantatas of Bach) [10] known as Chorton pitch at 466 Hz (with 440 Hz corresponding to A ...

  3. Audio frequency - Wikipedia

    en.wikipedia.org/wiki/Audio_frequency

    The SI unit of frequency is the hertz (Hz). It is the property of sound that most determines pitch. [1] The generally accepted standard hearing range for humans is 20 to 20,000 Hz. [2] [3] [4] In air at atmospheric pressure, these represent sound waves with wavelengths of 17 metres (56 ft) to 1.7 centimetres (0.67 in).

  4. Concert pitch - Wikipedia

    en.wikipedia.org/wiki/Concert_pitch

    For example, a 1740 tuning fork associated with Handel is pitched at A = 422.5 Hz, ⓘ while a specimen from 1780 is pitched at A = 409 Hz, ⓘ about a quarter-tone lower. [4] A tuning fork that belonged to Ludwig van Beethoven around 1800, now in the British Library , is pitched at A = 455.4 Hz ⓘ , well over a half-tone higher.

  5. Piano key frequencies - Wikipedia

    en.wikipedia.org/wiki/Piano_key_frequencies

    This is a list of the fundamental frequencies in hertz (cycles per second) of the keys of a modern 88-key standard or 108-key extended piano in twelve-tone equal temperament, with the 49th key, the fifth A (called A 4), tuned to 440 Hz (referred to as A440). [1] [2] Every octave is made of twelve steps called semitones.

  6. Musical tone - Wikipedia

    en.wikipedia.org/wiki/Musical_tone

    The notes used in music can be more complex than musical tones, as they may include aperiodic aspects, such as attack transients, vibrato, and envelope modulation. A simple tone, or pure tone, has a sinusoidal waveform. A complex tone is a combination of two or more pure tones that have a periodic pattern of repetition, unless specified otherwise.

  7. Scientific pitch - Wikipedia

    en.wikipedia.org/wiki/Scientific_pitch

    Scientific pitch, also known as philosophical pitch, Sauveur pitch or Verdi tuning, is an absolute concert pitch standard which is based on middle C (C 4) being set to 256 Hz rather than ~ 261.63 Hz, [a] making it ~ 31.77 cents lower than the common A440 pitch standard.

  8. An Electric Storm - Wikipedia

    en.wikipedia.org/wiki/An_Electric_Storm

    An Electric Storm is the debut album by electronic music group White Noise. ... The following people contributed to An Electric Storm: [11] Kaleidophon – production;

  9. My Winter Storm - Wikipedia

    en.wikipedia.org/wiki/My_Winter_Storm

    My Winter Storm is the second solo album by Finnish singer Tarja Turunen, and the first to consist mainly of new and original songs specifically written by or for Turunen.. The album was released by Universal Music on 19 November 2007 in Finland, on 2 January 2008 in South America and on February 26 in North America and in the United Kingdom was also released a special version limited in 300 copi

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