Add 200 more songs to your LS-3000-series karaoke microphone</br>Perform your favorite songs</br>Plugs into expansion port of LS-3000 or LS-3700</br></br>Product Description</br></br>Classic Rock A Music Cartridge (200 songs) Vol. 8?? for use with the LS-3700 all-in-one karaoke system</br><br/>http://www.amazon.com/gp/product/B0002TUX06