http://www.macnn.com/articles/02/04/11/audiotools.pro/
AudioTools Pro 4.0: commonly needed tools
updated 03:55 pm EDT, Thu April 11, 2002
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rootsolutions has announced the release of AudioTools Pro v4.0, which is a set of production calculators and utilities that are commonly needed in music production. "Its features include setup help with effect processors, complex calculations for loop and tempo matching, a host of utilities, and reference sections." A demo is available; a single license costs $60.
