I'll try and explain a way to put the songs in your media player playlist into a BA list but it's not how I would normally setup a BA playlist.
First off create a folder on your desktop by right clicking on an empty space on your desktop, a window should pop up, select "New" another window will open choose "Folder" you should now see an extra icon on your desk top named "New folder" If you want you can right click on the new folder and select "Rename" the choice is yours for the rest of these instructions we will leave it as New folder, we will place a group of music tracks in this folder to use in th BA player.
Open your Windows Media Player, as you say you prepared a playlist in media player load the playlist so you can see the list of tracks.
Right click on the first track in the list, from the window that pops up select "Open file location" in the window that opens you should see the track highlighted, again right click on it and select "Copy"
Now click the minimize button top right The "-" so you can see your desktop and right click on the new folder and select"Paste"
Repeat this process with each individual song from your playlist. This is going to take a time but as you don't seem to know were your music files are I can't tell you an easier way.
When you have a good selection in the New folder start Hoster, click on the yellow Bkgnd Audio button, in the BA dialog click the brows button in this window at the top click the little drop down arrow and select "Desktop" then double click on the New folder and it should open showing all the songs you loaded in it, press select button you should now see all these songs listed in the BA player
See how you get on with that.
