Britney Spears, who currently is in early stages of recording her new album, reportedly is experimenting with her own voice in the studio with helium and sulfur hexafluoride. She has a crew of professional chemists and medics in the studio explaining how to use it efficiently, because sulfur hexafluoride is heavy and hard to get out of lungs whilst high amounts of helium can make you pass out. Britney is very determined this time around and wants to put out something unique, that has never been done before.