Weezer, the pop/rock band behind hits such as 'Say It Ain't So,' includes, from left, bassist Scott Shriner, drummer Pat Wilson, guitarist Brian Bell, and guitarist/singer Rivers Cuomo.

“I played a very sloppy basement cover of ‘Say It Ain’t So’ once with my band in college, so it was fun to revisit it from the opposite angle, stripped down with a string quartet,” she ...