Spectrochemistry and Reactivity - Music

Extract

[...] «Rock around the clock » (20 millions copies) • 1958 Elvis Presley « blue moon of Kentucky) • 1963 The Rolling Stones • 1965 The Who • 1966 The Beatles • 1966 Jimi Hendrix « Hey Joe » II- Notes of music • Two systems exist to describe Music notes depending on the country they are played Hymn of Saint Jean-Baptiste Ut queant laxis Resonare fibris Mira gestorum Famuli tuorum Solve polluti Labii reatum Sancte Iohannes Germany England France, Italia C C do D D ré E E mi F F fa G G sol A A la H B si III- Music, a Science III-1) A wave • A disturbance or variation that transfers energy progressively from point to point in a medium (here layers of air) III- Music, a Science III-2) The Wave characteristics • An elongation • Oscillations • Frequencies = A sin(ωt + III- Music, a Science III-3) A guitar • Stationary wave • Delay of the different points of the wave III- Music, a Science III-4) A flute • The breath creates the wave • More the distance between the Bevel and the Hoke is important more the sound is treble III- Music, a Science III-5) A drum • Circular wave • Expansion in a series of spherical wavefronts (Huygens' principle) III- Music, a Science III-6) Why two notes close played in the same time ring false? [...]

[...] Spectrochemistry and Reactivity - Music • Music is considered as the fifth art But music is also a science Summary I II IIIIV- A history of music Notes of music Music, a science Conclusions A history of music Its history • • • • • • No date for its origins Always a melody Always a rhythm Express feelings Incantations and legends First Track of musical theory : 10 centuries before Christ A history of music I-2 ) Rock n' roll • Sort of music which was appeared in 40's • In USA • Becomes popular in 50's • Quickly known in the whole world • Unprecedented social impact A history of music I-3 ) Big names of Rock n' roll • 1954 Bill Halley years old and his group « comets » in New-York with the song. [...]