This is the third-party library JLayer that isn't available in the central maven repository.
'de.huxhorn.sulky:de.huxhorn.sulky.3rdparty.jlayer:1.0'
<dependency>
<groupId>de.huxhorn.sulky</groupId>
<artifactId>de.huxhorn.sulky.3rdparty.jlayer</artifactId>
<version>1.0</version>
</dependency>
<dependency org="de.huxhorn.sulky" name="de.huxhorn.sulky.3rdparty.jlayer" rev="1.0"/>
"de.huxhorn.sulky", "de.huxhorn.sulky.3rdparty.jlayer", "1.0"