Complex sentence: Ska punk broke into the mainstream in the mid- 1990s with bands such as Sublime, No Doubt, Goldfinger, Reel Big Fish, Smash Mouth, the Mighty Mighty Bosstones and Rancid all achieving mainstream success.
Split into simpler sentences: Ska punk broke into the mainstream in the mid- 1990s. Bands such as Sublime, No Doubt, Goldfinger, Reel Big Fish, Smash Mouth, Rancid and The Mighty Mighty Bosstones all achieved mainstream success.