A decibel is a measurement of the ratio between two quantities, and is used as a comparator in many branches of physics. In acoustics, decibels (or dB, for short) are used to indicate the loudness of a single sound in comparison to a fixed reference sound. This reference is the quietest sound audible to the healthy human ear – roughly equivalent to the sound of a mosquito flying 3 m (10 ...
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An extensive music information resource, bringing together the talents and expertise of a wide range of editors and musicologists, including Stanley Sadie, Charles Wilson, Paul Du Noyer, Tony Byworth, Bob Allen, Howard Mandel, Cliff Douse, William Schafer, John Wilson...
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Classical, Rock, Blues, Jazz, Country and more. Flame Tree has been making encyclopaedias and guides about music for over 20 years. Now Flame Tree Pro brings together a huge canon of carefully curated information on genres, styles, artists and instruments. It's a perfect tool for study, and entertaining too, a great companion to our music books.
David Bowie
Fantastic new, unofficial biography covers
his life, music, art and movies, with a
sweep of incredible photographs.