Here's a really simple example.
alias add.mp3.buttons {
toolbar -a Play "Play a song" [color:blue]"icons\play.jpg"[/color] "/splay -q [color:green]$$!sfile(*.mp3)[/color]"
toolbar -a Pause "Pause Or Resume" [color:blue]"icons\pause.jpg"[/color] "/splay $!iif($insong.pause,resume,pause)"
toolbar -a Stop "Stop playing" [color:blue]"icons\stop.jpg"[/color] "/splay stop"
toolbar -a Next "Skip to next song" [color:blue]"icons\skip.jpg"[/color] "/splay skip"
}
Change the
path\file.ext to your own icon picfiles.
You can optionally add a path to your soundfiles,
$$!sfile([color:gray]X:\path to\folder\*.mp3)[/color]