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  2. List of online digital musical document libraries - Wikipedia

    en.wikipedia.org/wiki/List_of_Online_Digital...

    The Library of Congress: Historic American Sheet Music: 1850–1920: American: 3,042 19th and early 20th-century American sheet music drawn from the Rare Book, Manuscript, and Special Collections Library at Duke University. The Library of Congress: The Library of Congress: Music for the Nation: American Sheet Music 1870–1885: 19th-century ...

  3. Optical music recognition - Wikipedia

    en.wikipedia.org/wiki/Optical_music_recognition

    Optical music recognition relates to other fields of research, including computer vision, document analysis, and music information retrieval. It is relevant for practicing musicians and composers that could use OMR systems as a means to enter music into the computer and thus ease the process of composing , transcribing , and editing music.

  4. List of optometric abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_optometric...

    Binocular single vision: BV: Binocular vision: BVD: Back vertex distance BVP: Back vertex power CD: Centration distance C/D: Cup–disc ratio CF: Count fingers vision – state distance c/o or c.o. Complains of CT: Cover test c/u: Check up CW: Close work Δ: Prism dioptre D: Dioptres DC: Dioptres cylinder DNA: Did not attend DOB: Date of birth ...

  5. Eyeglass prescription - Wikipedia

    en.wikipedia.org/wiki/Eyeglass_prescription

    An eyeglass prescription. Similar to medical prescriptions, eyeglass prescriptions are written on paper pads or included in a patient's electronic health record, and contain a number of different abbreviations and terms: DV is an abbreviation for distance vision. This specifies the part of the prescription designed primarily to improve far vision.

  6. Eye music - Wikipedia

    en.wikipedia.org/wiki/Eye_music

    Another class of eye music is when the score is purposely made difficult for the performer. [1] For example, in Benedetto Marcello's cantata Stravaganze d’amore, the continuo part is written entirely in enharmonic chords, that is, "puns" of chord indications spelled with no regard to the key of the rest of the ensemble, but (in equal temperament) indistinguishable audibly from those spelled ...

  7. Sight-reading - Wikipedia

    en.wikipedia.org/wiki/Sight-reading

    The term a prima vista is also used, as Italian words and phrases are commonly used in music and music notation. To play a musical piece a prima vista means to play it 'at first sight'. According to Payne, "the ability to hear the notes on the page is clearly akin to music reading and should be considered a prerequisite for effective ...