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  2. Music theory - Wikipedia

    en.wikipedia.org/wiki/Music_theory

    In modern academia, music theory is a subfield of musicology, the wider study of musical cultures and history. Music theory is often concerned with abstract musical aspects such as tuning and tonal systems, scales, consonance and dissonance, and rhythmic relationships. In addition, there is also a body of theory concerning practical aspects ...

  3. Medical College Admission Test - Wikipedia

    en.wikipedia.org/wiki/Medical_College_Admission_Test

    The Medical College Admission Test ( MCAT; / ˈɛmkæt / EM-kat) is a computer-based standardized examination for prospective medical students (both Allopathic M.D. and Osteopathic D.O.) in the United States, Australia, [ 9] Canada, and the Caribbean Islands. It is designed to assess problem solving, critical thinking, written analysis and ...

  4. Theory of everything - Wikipedia

    en.wikipedia.org/wiki/Theory_of_everything

    A theory of everything ( TOE ), final theory, ultimate theory, unified field theory, or master theory is a hypothetical, singular, all-encompassing, coherent theoretical framework of physics that fully explains and links together all aspects of the universe. [ 1]: 6 Finding a theory of everything is one of the major unsolved problems in physics ...

  5. Musical acoustics - Wikipedia

    en.wikipedia.org/wiki/Musical_acoustics

    Musical acoustics or music acoustics is a multidisciplinary field that combines knowledge from physics, [ 1 ][ 2 ][ 3 ] psychophysics, [ 4 ] organology [ 5 ] (classification of the instruments), physiology, [ 6 ] music theory, [ 7 ] ethnomusicology, [ 8 ] signal processing and instrument building, [ 9 ] among other disciplines.

  6. Philosophy of music - Wikipedia

    en.wikipedia.org/wiki/Philosophy_of_music

    Philosophy of music is the study of "fundamental questions about the nature and value of music and our experience of it". [1] The philosophical study of music has many connections with philosophical questions in metaphysics and aesthetics. The expression was born in the 19th century and has been used especially as the name of a discipline since ...

  7. Musical system of ancient Greece - Wikipedia

    en.wikipedia.org/wiki/Musical_system_of_ancient...

    Musical system of ancient Greece. The musical system of ancient Greece evolved over a period of more than 500 years from simple scales of tetrachords, or divisions of the perfect fourth, into several complex systems encompassing tetrachords and octaves, as well as octave scales divided into seven to thirteen intervals. [ 1]

  8. Many dark chocolate products contaminated with heavy metals ...

    www.aol.com/news/many-dark-chocolate-products...

    A. Pawlowski. August 1, 2024 at 1:49 AM. After eight years of testing dark chocolate, a new study reveals many products were contaminated with lead and cadmium — two heavy metals toxic to human ...

  9. Modulation (music) - Wikipedia

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

    Key signature change example: C major to C minor. In music, modulation is the change from one tonality ( tonic, or tonal center) to another. This may or may not be accompanied by a change in key signature (a key change ). Modulations articulate or create the structure or form of many pieces, as well as add interest.