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  2. Pitch class - Wikipedia

    en.wikipedia.org/wiki/Pitch_class

    In music, a pitch class (p.c. or pc) is a set of all pitches that are a whole number of octaves apart; for example, the pitch class C consists of the Cs in all octaves. "The pitch class C stands for all possible Cs, in whatever octave position."

  3. Pitch (resin) - Wikipedia

    en.wikipedia.org/wiki/Pitch_(resin)

    Pitch produced from petroleum may be called bitumen or asphalt, while plant-derived pitch, a resin, is known as rosin in its solid form. Tar is sometimes used interchangeably with pitch, but generally refers to a more liquid substance derived from coal production, including coal tar , or from plants, as in pine tar .

  4. Musical note - Wikipedia

    en.wikipedia.org/wiki/Musical_note

    Because of that, all notes with these kinds of relations can be grouped under the same pitch class and are often given the same name. The top note of a musical scale is the bottom note's second harmonic and has double the bottom note's frequency. Because both notes belong to the same pitch class, they are often called by the same name.

  5. Pitch (music) - Wikipedia

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

    Pitch is a perceptual property that allows sounds to be ordered on a frequency-related scale, [1] or more commonly, pitch is the quality that makes it possible to judge sounds as "higher" and "lower" in the sense associated with musical melodies. [2] Pitch is a major auditory attribute of musical tones, along with duration, loudness, and timbre ...

  6. Pitch - Wikipedia

    en.wikipedia.org/wiki/Pitch

    Pitch (music), the perceived frequency of sound including "definite pitch" and "indefinite pitch" Absolute pitch or "perfect pitch" Pitch class, a set of all pitches that are a whole number of octaves apart; Relative pitch, the ability to identify a given musical interval between two notes; Pitch accent, a form of accentuation in speech

  7. Forte number - Wikipedia

    en.wikipedia.org/wiki/Forte_number

    The normal form of the diatonic scale, such as C major; 0, 2, 4, 5, 7, 9, and 11; is 11, 0, 2, 4, 5, 7, and 9; while its prime form is 0, 1, 3, 5, 6, 8, and 10; and its Forte number is 7-35, indicating that it is the thirty-fifth of the seven-member pitch class sets. Sets of pitches which share the same Forte number have identical interval ...

  8. Pitch class space - Wikipedia

    en.wikipedia.org/wiki/Pitch_class_space

    The chromatic circle, the outer level of Lerdahl's model of pitch-class space. In music theory, pitch-class space is the circular space representing all the notes (pitch classes) in a musical octave. In this space, there is no distinction between tones separated by an integral number of octaves. For example, C4, C5, and C6, though different ...

  9. Absolute pitch - Wikipedia

    en.wikipedia.org/wiki/Absolute_pitch

    Absolute pitch is the ability to perceive pitch class and to mentally categorize sounds according to perceived pitch class. [38] A pitch class is the set of all pitches that are a whole number of octaves apart. While the boundaries of musical pitch categories vary among human cultures, the recognition of octave relationships is a natural ...