Heriwap JavaExperts you do not use filelist function
name = .file_name_parsed. So you use the {_ $id|} and will exit "name_file_your.mp3" but if you use a function name=
[_$name|} will appear
"name file your.mp3"

edit page download with code text editor and replace the code

<title>Download {_$id|Default title}</title>