![Steve Vai (left) and Ozzy Osbourne](https://cdn.mos.cms.futurecdn.net/LhxAnMezyPfAaMGYnvetvQ-320-80.jpg)
Steve Vai says he once recorded an entire album with Ozzy Osbourne – and used an Octave Divider on all his rhythm guitar parts
The pair originally met in the '90s to write a track for Osbourne's Ozzmosis album, but got “carried away” and recorded a “real heavy” record as well