“He pointed out that the bass is the most important thing in a rock song”: Ozzy Osbourne has worked with the biggest virtuosos in the world – but Andrew Watt says he valued the bass above all else

Ozzy Osbourne and Andrew Watt.

Andrew Watt has reflected on what it was like to work with Ozzy Osbourne, revealing the one ingredient that the Prince of Darkness believed to be crucial to a great rock song.

Watt was behind the desk for Ozzy's last two studio albums, co-producing 2020's Ordinary Man with Louis Bell, before returning for Patient Number 9 on his own two years later. Alongside production duties, he also played guitar, bass, and keyboards, and co-wrote tracks across the two records. He was hands-on.