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  2. Time signature - Wikipedia

    en.wikipedia.org/wiki/Time_signature

    Most time signatures consist of two numerals, one stacked above the other: The lower numeral indicates the note value that the signature is counting. This number is always a power of 2 (unless the time signature is irrational), usually 2, 4 or 8, but less often 16 is also used, usually in Baroque music. 2 corresponds to the half note (minim), 4 to the quarter note (crotchet), 8 to the eighth ...

  3. Message authentication code - Wikipedia

    en.wikipedia.org/wiki/Message_authentication_code

    In contrast, a digital signature is generated using the private key of a key pair, which is public-key cryptography. [4] Since this private key is only accessible to its holder, a digital signature proves that a document was signed by none other than that holder. Thus, digital signatures do offer non-repudiation.

  4. Metric modulation - Wikipedia

    en.wikipedia.org/wiki/Metric_modulation

    Another synonymous term is proportional tempi. [4] A technique in which a rhythmic pattern is superposed on another, heterometrically, and then supersedes it and becomes the basic metre. Usually, such time signatures are mutually prime, e.g., 4 4 and 3 8, and so have no common divisors.

  5. Category:Time signatures - Wikipedia

    en.wikipedia.org/wiki/Category:Time_signatures

    This page was last edited on 2 February 2016, at 08:19 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  6. Free time (music) - Wikipedia

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

    4) and the direction 'Free time' written above. The word FREE is written downwards across the stave. This is mostly used when the piece changes to free time after having had a time signature. Instead of a time signature, a large X is written on the stave. Note heads alone are used, without time values (typically black note heads without stems)

  7. Odd time signatures - Wikipedia

    en.wikipedia.org/?title=Odd_time_signatures&...

    In other projects Appearance. move to sidebar hide. From Wikipedia, the free encyclopedia. ... Redirect to: Time signature#Irrational meters; Retrieved from "https: ...

  8. List of musical works in unusual time signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_musical_works_in...

    This is a list of musical compositions or pieces of music that have unusual time signatures. "Unusual" is here defined to be any time signature other than simple time signatures with top numerals of 2, 3, or 4 and bottom numerals of 2, 4, or 8, and compound time signatures with top numerals of 6, 9, or 12 and bottom numerals 4, 8, or 16.

  9. Alla breve - Wikipedia

    en.wikipedia.org/wiki/Alla_breve

    Alla breve [alla ˈbrɛːve] – also known as cut time or cut common time – is a musical meter notated by the time signature symbol (a C) with a vertical line through it, which is the equivalent of 2 2. [1] The term is Italian for "on the breve", originally meaning that the beat was counted on the breve (double whole note). [2]