There's only one thing worse than no sound on a clip, and that's an absolutely horrendous attempt at music (let's face it, the soundtrack to this video barely even qualifies for tuned screaming).
Next time, if you're that keen on masking the original audio, simply strip it - don't replace it with crap.
Next time, if you're that keen on masking the original audio, simply strip it - don't replace it with crap.