This knife has a sound trigger for the song Comfortable Liar by Chevelle. With this product you are buying the knife and the music is just a gift. I am in no way claiming any copyrights to these songs. The copyrights are exclusively owned by the by the composer-label-and artist. Please respect this. If you have any request for music be sure to let me know. With over20,000 music files I'm bound to have what you're looking for. Again thank you and I hope you enjoy this CD QUALITY music. cbsognz Trigger for Comfortable Liar by Chevelle is (*ccl)