It has to be one of the most iconic bass lines in alternative rock. As played by Josephine Wiggs, the opening salvo of the Breeders’ “Cannonball” – the sound of a solo bass riffing high and low, then repeated but with a slight chord change the third time – made the song an instant classic when it was released in the early 1990s.
“Cannonball,” bolstered by a video kept in heavy rotation on MTV, was the centerpiece of “Last Splash,” the Breeders’ sophomore release that became their commercial breakthrough.
Prepare to feel old: That album turns 20 this year, and the Breeders lineup that played on it has reunited for a tour, including a sold-out stop at Royale on Thursday. Full story for BostonGlobe.com subscribers.