Die Zuchthaus-Kantate, Op.63 (Eisler, Hanns)

This work has been identified as being in the public domain in Canada and the United States, as well as countries where the copyright term is life+50 years. However, this work is not in the public domain in countries where the copyright term is life+70 years (including all EU countries), unless an exception (such as the rule of the shorter term) applies. Works still protected by copyright can only be used with the permission of the copyright holder. See public domain for details.
This work may not be in the public domain in all countries. Please check the copyright laws of your country.