Csound5 software sound synthesis language, in a Linux Journal article.
"Csound has been in development since the 1970s, predating personal computers. As might be expected, its codebase has become a bit dusty, particularly regarding modern programming techniques. Csound's ease of extensibility has promoted a great broadening of its processing powers, but at the lower levels, the code currently is undergoing a complete revision. Almost every aspect of the original source tree has come under new scrutiny that should result in a faster, more efficient Csound.
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