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  2. Guitar chord - Wikipedia

    en.wikipedia.org/wiki/Guitar_chord

    The implementation of chords using particular tunings is a defining part of the literature on guitar chords, which is omitted in the abstract musical-theory of chords for all instruments. For example, in the guitar (like other stringed instruments but unlike the piano ), open-string notes are not fretted and so require less hand-motion.

  3. Constant-Q transform - Wikipedia

    en.wikipedia.org/wiki/Constant-Q_transform

    The variable-Q transform is the same as constant-Q transform, but the only difference is the filter Q is variable, hence the name variable-Q transform. The variable-Q transform is useful where time resolution on low frequencies is important [examples needed].

  4. Generator (computer programming) - Wikipedia

    en.wikipedia.org/wiki/Generator_(computer...

    In computer science, a generator is a routine that can be used to control the iteration behaviour of a loop. All generators are also iterators. [1] A generator is very similar to a function that returns an array, in that a generator has parameters, can be called, and generates a sequence of values.

  5. Power chord - Wikipedia

    en.wikipedia.org/wiki/Power_chord

    A power chord Play ⓘ, also called a fifth chord, is a colloquial name for a chord on guitar, especially on electric guitar, that consists of the root note and the fifth, as well as possibly octaves of those notes. Power chords are commonly played with an amp with intentionally added distortion or overdrive effects.

  6. Chord chart - Wikipedia

    en.wikipedia.org/wiki/Chord_chart

    A chord chart. Play ⓘ. 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.

  7. List of guitar tunings - Wikipedia

    en.wikipedia.org/wiki/List_of_guitar_tunings

    A FuniChar D-616 guitar with a Drop D tuning. It has an unusual additional fretboard that extends onto the headstock. Most guitarists obtain a Drop D tuning by detuning the low E string a tone down. This article contains a list of guitar tunings that supplements the article guitar tunings. In particular, this list contains more examples of open ...

  8. List of chords - Wikipedia

    en.wikipedia.org/wiki/List_of_chords

    Code Chord type Major: Major chord: Minor: Minor chord: Augmented: Augmented chord: Diminished: ... List of musical chords Name Chord on C Sound # of p.c.-Forte # p.c ...

  9. Column generation - Wikipedia

    en.wikipedia.org/wiki/Column_generation

    If no variable has a negative reduced cost, then the current solution of the master problem is optimal. When the number of variables is very large, it is not possible to find an improving variable by calculating all the reduced cost and choosing a variable with a negative reduced cost.