Prior to Don’t Speak - a power ballad with an unlikely classical guitar solo - No Doubt’s stock in trade had been ska-punk, but its success introduced them to a whole new audience and turned Stefani into a globally recognised star. As she admits, though, the song could have ended up sounding very different.

Gwen Stefani’s No Doubt is reuniting for the FireAid benefit concerts to raise money for those most affected by the Los Angeles wildfires. Taking place at both the Intuit Dome and Kia Forum on Jan. 30,