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 ...
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...
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.
The ultimate story of a life of rock music, from the 1950s to the present day.
Fantastic new, unofficial biography covers
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