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 _    _    __   __    ______     ___     ______   
| \  / ||  \ \\/ //  /_____//   / _ \\  |      \\ 
|  \/  ||   \ ` //   `____ `   | / \ || |  --  // 
| .  . ||    | ||    /___//    | \_/ || |  --  \\ 
|_|\/|_||    |_||    `__ `      \___//  |______// 
`-`  `-`     `-`'    /_//       `---`   `------`  
                     `-`

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Text this: The physics and psychophysics of music : an introduction. (4th ed.)