Speedy Ortiz
“I Lost Something in the Hills”

Speedy Ortiz

The latest entry in Rookie’s monthly theme song series is a feedback-slapped take on the long-lost folk music of Sibylle Baier. The German actress quietly cut reel-to-reel recordings in the early ’70s, only to have them finally released nearly 30 years later after her son found them and gave copies to family and friends like J Mascis.

“[It] was a lot harder to learn and play than we thought it was going to be!” says Speedy Ortiz frontwoman Sadie Dupuis of “I Lost Something in the Hills,” which was apparently tracked at the summer camp she dug as a kid and taught music at years later…