How to remove the lyrics from the music and leave only the accompaniment?

1 first of all, you have to understand that human science and technology can't remove human voices from audio files without losing any accompaniment.

2. At present, the voice can only be removed by inverse cancellation, but the removal is not clean and the cost of accompaniment itself is high.

3. If it is a vcd of karaoke, it will be very simple. Use sonar to import, and use human voice to remove the channel. Just re-export an audio.