Sherita,
I use a second program to run my mp3's but you can do this. Put all of the MP3's you use for your show into a folder (you can put folders in this folder if you want to make catagories for your MP3's) and load them into Hoster using the "Audio" button in "Add Track" section of the program at the top left of the program. This will add the MP3 to your present playlist.
I think musicman makes a playlist all of his mp3's only then saves it as a Playlist. Playlists are .hst files. When he wants to play MP3's he opens this playlist (.hts file). When he's ready to go back to Karaoke he opens his working playlist. (Hoster saves your working playlist as the def001.hst. Of course you can name your playlist anything you want.

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I hope this helps!
Jim
