He headed back up the stairs. Lyra searched over the body of the guitar and found where the end of the cord clicked into place, and moved across the strings. It still didn’t sound right. Way too soft. She wasn’t quite sure why she’d assumed that attaching a cord would change anything, but Nathan had sounded like he knew what he was talking about. The guitar was missing the hollow chamber inside, she realized. Without it, the sound just wouldn’t project. It was even quieter than her lyre.