Jen: What inspired you to write LADY SUNSHINE? Amy: One of my favorite albums is “Mermaid Avenue,” a project between the folk singer Woody Guthrie’s daughter, Nora, and modern singers Wilco, Billy Bragg, and Natalie Merchant. Nora Guthrie found a trove of her father’s unrecorded lyrics and worked with these artists to set them to music. I’ve been intrigued by that project for decades. In LADY SUNSHINE, my main character, Jackie, inherits a gorgeous piece of land in California called The Sandcastle—as well as the recording studio in the home’s basement. We know that she spent one life-changing summer there with her cousin Willa as a teen in 1979, when it was a mecca for musicians, artists, and free spirits who’d descend on it every summer to bask in the glow of her musician uncle. But we don’t know what happened to make her run away. In 1999, she reluctantly agrees to host musicians for the summer so they can record a tribute album to her late uncle. The place comes to life again and she’s drawn into their world…and forced to confront the truth of her 1979 summer. Another major inspiration was the setting of The Sandcastle. I’ve always…