I'm not sure what you mean by "edit the tags on a library music file". For example, the following is the start of an OPML file. What would I need to edit to get this to work? Or alternatively, can I change registry/files manually as a work-around?
<?xml version="1.0" encoding="ISO-8859-1" ?>
<opml version="1.1">
<head>
<title>Freezone Radio Streams</title>
<dateCreated>Feb 29 2000 03:33:33 GMT</dateCreated>
<dateModified>Jun 14 2011 02:25:00 GMT</dateModified>
<ownerName>Freezone</ownerName>
<ownerEmail></ownerEmail>
</head>
<body>
<outline text="Channels from around the Net">
<outline text=".977 The 80s Channel" type="audio" url="
http://radio1.internode.on.net:8000/4#slim:noscan=1" />
<outline text=".977 The 90s Channel" type="audio" url="
http://radio1.internode.on.net:8000/198#slim:noscan=1" />