Install xmms2-plugin-wavpack by entering the following commands in the terminal:
sudo apt update sudo apt install xmms2-plugin-wavpack
Description:
XMMS2 - WavPack decoder plug-in
XMMS2 is a redesign of the XMMS music player. It features a client-server model, allowing multiple (even simultaneous!) user interfaces, both textual and graphical. All common audio formats are supported using plug-ins. On top of this, there is a flexible media library to organize your music. . This package enables WavPack decoding for XMMS2.
Homepage: http://xmms2.org/
Version: 0.8+dfsg-18.1build3
Section: universe/sound