Helium - a comparatively light gas that makes your voice squeaky. It's often used in comedy skits and alike. But haven't you ever wondered what it would sound like when professional singers inhale helium? Well it turns out some singer have already tried it.

King's College Choir

This was a little April Fool thing this prestigious choir has done last year. They said complicated compliance issues meant they can no longer use young choristers - so they used helium:

Mozart + Soprano + Helium = ?

And here's American soprano Christina Elizabeth singing "Deh Vieni Non Tardar" from Le Nozze Di Figaro by Mozart.

By - grape Japan editorial staff.