On Monday, November 30, 2009 6:49 AM, Don Cox wrote:

> Provided the music is out of copyright (which Mozart and 
> Scarlatti certainly are, even in the USA), there are unlikely 
> to be any problems at all. 

It is important to distinguish sound recordings from the music 
composition itself.

In the USA, very few pre-1972 sound recordings are truly public 
domain, and will not be until 2067.

Eric Jacobs

The Audio Archive, Inc.
tel: 408.221.2128
fax: 408.549.9867
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Disc and Tape Audio Transfer Services and Preservation Consulting