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  2. Music and mathematics - Wikipedia

    en.wikipedia.org/wiki/Music_and_mathematics

    A whole tone is a secondary interval, being derived from two perfect fifths minus an octave, (3:2) 2 /2 = 9:8. The just major third, 5:4 and minor third, 6:5, are a syntonic comma , 81:80, apart from their Pythagorean equivalents 81:64 and 32:27 respectively.

  3. Category:Mathematics of music - Wikipedia

    en.wikipedia.org/wiki/Category:Mathematics_of_music

    Download as PDF; Printable version; ... out of 2 total. M. ... Pages in category "Mathematics of music" The following 14 pages are in this category, out of 14 total.

  4. Pythagorean hammers - Wikipedia

    en.wikipedia.org/wiki/Pythagorean_hammers

    The legend is, at least with respect to the hammers, demonstrably false. It is probably a Middle Eastern folk tale. [2] These proportions are indeed relevant to string length (e.g. that of a monochord) — using these founding intervals, it is possible to construct the chromatic scale and the basic seven-tone diatonic scale used in modern music, and Pythagoras might well have been influential ...

  5. Rainbow Books - Wikipedia

    en.wikipedia.org/wiki/Rainbow_Books

    The Blue Book is a compact disc standard that defines the Enhanced Music CD format, which combines audio tracks and data tracks on the same disc. E-CD/CD+/CD Extra ( Enhanced ) [ 21 ] – a standard jointly developed and published by Microsoft , Philips and Sony

  6. Disk algebra - Wikipedia

    en.wikipedia.org/wiki/Disk_algebra

    In mathematics, specifically in functional and complex analysis, the disk algebra A(D) (also spelled disc algebra) is the set of holomorphic functions ƒ : D → C {\displaystyle \mathbb {C} } , (where D is the open unit disk in the complex plane C {\displaystyle \mathbb {C} } ) that extend to a continuous function on the closure of D .

  7. Pair of pants (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Pair_of_pants_(mathematics)

    Cutting the pants along the seams, one gets two right-angled hyperbolic hexagons which have three alternate sides of matching lengths. The following lemma can be proven with elementary hyperbolic geometry. [4] If two right-angled hyperbolic hexagons each have three alternate sides of matching lengths, then they are isometric to each other.

  8. List of songs recorded by Tool - Wikipedia

    en.wikipedia.org/wiki/List_of_songs_recorded_by_Tool

    The band released its debut full-length album Undertow in 1993, which once again credited all four band members for songwriting. [4] The album also featured a contribution by former Black Flag and then- Rollins Band frontman Henry Rollins , who performed additional vocals on "Bottom".

  9. Live from Madison Square Garden (Eric Clapton and Steve ...

    en.wikipedia.org/wiki/Live_from_Madison_Square...

    Live from Madison Square Garden is a double CD and DVD live album by Eric Clapton and Steve Winwood, which was released on 19 May 2009 by Duck / Reprise Records.The album is made up of recordings from Clapton and Winwood's performances at Madison Square Garden in February 2008.