This file appears to be a designed for Wifislax (a penetration testing Linux distro based on Slackware). The "exaile-kit" suggests it includes Exaile (an audio player) along with related codecs or tools.
We are pleased to offer the module for download. This package brings the lightweight yet powerful Exaile music manager to your Wifislax system.
Module: exaile-kit-4.1.2-12wifislax.xzm