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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.
Setter – I, ME, ONE (meaning the setter of the crossword) Setter's – MY (meaning the setter of the crossword) Sex appeal – IT (after Clara Bow – the It girl) or SA; Shilling – S; Ship – SS (steam ship) Ship's officer – PO (petty officer) Shirt – T; Short wave – SW; Side – LEG, OFF, ON; Significant other – SO
Symbol at the very end of a staff of music which indicates the pitch for the first note of the next line as a warning of what is to come. The custos was commonly used in handwritten Renaissance and typeset Baroque music. cut time Same as the meter 2 2: two half-note (minim) beats per measure. Notated and executed like common time (4
The period (symbol T) is the interval of time between events, so the period is the reciprocal of the frequency: T = 1/f. [ 2 ] Frequency is an important parameter used in science and engineering to specify the rate of oscillatory and vibratory phenomena, such as mechanical vibrations, audio signals ( sound ), radio waves , and light .
Period (two four-bar phrases) in Beethoven's Piano Sonata in C Minor, Op. 13 (Pathetique), second movement. Play ⓘ Second phrase built from new material, "gives the effect of greater freedom of melodic thought." [2] In music theory, the term period refers to forms of repetition and contrast between adjacent small-scale formal structures such ...
There is a separate history of music ciphers utilizing music notation to encode messages for reasons of espionage or personal security that involved encryption and/or steganography. Because of the multitudinous ways in which notes and letters can be related, detecting hidden ciphers in music and proving accurate decipherment can be difficult.
This basic musical period has a bipartite structure; it comprises two rhythmically opposed cells of two beats each. [5] The four-beat cycle is a shorter period than in European music. This explains the stereotype of African music as "repetitive". The cycles have a beginning and an end, with the two joining. [6]
Musical era (or period) – distinct time frame in the history of music characterized by specific styles, practices, and conventions. Each period reflects the cultural, social, and political contexts of its time. The following is an overview of the stylistic movements within each period.