Q&A for How to Break a Glass with Your Voice

The glass would most likely not hurt you, as, most of the time, the glass breaks in large pieces. The glass would break in big and sometimes small chunks, but it will fall down. Just be prepared.

That's a physics question. It's called resonance. If you tried singing louder and louder until it breaks, you're on the wrong track. You'll need to sing at the right pitch for long enough.

Yes.

If your throat is hurting after singing, it could be a sign of stretching out your vocal cords. Try singing lower notes, and don't strain so much. Drink tea or warm water with lemon before and after singing, and you'll be fixed up in no time.

Yes, you could.

Local performing arts centers typically have a voice teacher, as do most music centers. And you can always check online for voice teachers in your area.

You can work through sections of the song until it's perfected. Your voice cracking just means you need to keep practicing.

Since it was a staged TV show, the scene most likely used special effects to make it seem like she was breaking glass with her voice. You can use the tips above if you want to try, though.

Once the pitch matching the resonant frequency of the glass is found, the singer needs to hold that note for at least two to three seconds for the vibration to build up enough to cause the glass to shatter. If you're asking how long it takes to be able to develop this skill, there's no way to answer that, as it depends entirely on the individual.

You don't need a really thin glass to break it, however the thinner the easier. Just keep trying out different pitches and you should be able to get it.

This could be dangerous. Kids should attempt this only with adult supervision.

Kids can, if they just have an adult watching them. Because this can be very dangerous. Supposed to be only for adults