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  2. Piano key frequencies - Wikipedia

    en.wikipedia.org/wiki/Piano_key_frequencies

    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.

  3. List of chords - Wikipedia

    en.wikipedia.org/wiki/List_of_chords

    List of set classes. Ninth chord. Open chord. Passing chord. Primary triad. Quartal chord. Root (chord) Seventh chord. Synthetic chord.

  4. Salsa (musical structure) - Wikipedia

    en.wikipedia.org/wiki/Salsa_(musical_structure)

    Salsa is a potent expression of clave, and clave became a rhythmic symbol of the musical movement, as its popularity spread. Clave awareness within the salsa community has served as a cultural "boundary marker", creating an insider/outsider dichotomy, between Cuban and non-Cuban, and between Latino and non-Latino.

  5. Locked hands style - Wikipedia

    en.wikipedia.org/wiki/Locked_hands_style

    Locked hands style is a technique of chord voicing for the piano. Popularized by the jazz pianist George Shearing, it is a way to implement the "block chord" method of harmony on a keyboard instrument. The locked hands technique requires the pianist to play the melody using both hands in unison. The right hand plays a 4-note chord inversion in ...

  6. Key signature - Wikipedia

    en.wikipedia.org/wiki/Key_signature

    In Western musical notation, a key signature is a set of sharp ( ♯ ), flat ( ♭ ), or rarely, natural ( ♮) symbols placed on the staff at the beginning of a section of music. The initial key signature in a piece is placed immediately after the clef at the beginning of the first line. If the piece contains a section in a different key, the ...

  7. Chord chart - Wikipedia

    en.wikipedia.org/wiki/Chord_chart

    A chord chart (or chart) is a form of musical notation that describes the basic harmonic and rhythmic information for a song or tune. It is the most common form of notation used by professional session musicians playing jazz or popular music. It is intended primarily for a rhythm section (usually consisting of piano, guitar, drums and bass ).

  8. Chorded keyboard - Wikipedia

    en.wikipedia.org/wiki/Chorded_keyboard

    A keyset or chorded keyboard (also called a chorded keyset, chord keyboard or chording keyboard) is a computer input device that allows the user to enter characters or commands formed by pressing several keys together, like playing a "chord" on a piano. The large number of combinations available from a small number of keys allows text or ...

  9. Upper structure - Wikipedia

    en.wikipedia.org/wiki/Upper_structure

    Common jazz parlance refers to upper structures by way of the interval between the root of the bottom chord and the root of the triad juxtaposed above it. [2] For instance, in example one above (C 7♯9) the triad of E ♭ major is a (compound) minor 3rd away from C (root of the bottom chord). Thus, this upper structure can be called upper ...