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Csound
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<p>Csound is a <a href="/facts/Domain-specific_language/n18H1foD">domain-specific</a> <a href="/facts/Computer_programming_language/cWTYbgWa">computer programming language</a> for audio programming. It is called Csound because it is written in <a href="/facts/C_/Ky2No763">C</a>, as opposed to some of its predecessors. It is <a href="/facts/Free_software/IaoVtJXn">free software</a>, available under the <a href="/facts/GNU_Lesser_General_Public_License/AXwkz9x3">LGPL-2.1-or-later</a>. </p>