No Doubt splashed onto the scene in the mid-‘90s with a potent, genre-mashing blend of pop, ska, new wave, and alternative rock. The Orange County natives had been toiling away in the indie scene since the mid-'80s, releasing two low profile albums before their breakthrough 1995 release Tragic Kingdom took the charts by storm. Since then, the group has remained as prolific and relevant as ever, exploring new, danceable rock sounds, even as frontwoman Gwen Stefani has sustained a massively successful career as a solo artist.