Haydn - Trumpet Concerto - Best-of Classical Music

The audio is under "Public Domain" The public domain is an intellectual property designation for the range of content that is not owned or controlled by anyone. These materials are public property, and available for anyone to use freely (the "right to copy") for any purpose.

...50 years from creation year or 70 years after his death

http://en.wikipedia.org/wiki/Public_domain