The specific venue or style the remix was commissioned for.
Possibly the third version or third track in a specific EP release. Gabry Ponte Thunder: The original artist and track name. ep3_gabry_ponte_thunder_cafe_t_fuifje_djstijnth...
The long, underscored file name is a classic example of producer shorthand. It typically indicates: The specific venue or style the remix was commissioned for
The remixer/producer responsible for the new arrangement. Why It Works ep3_gabry_ponte_thunder_cafe_t_fuifje_djstijnth...