The platform lights at Harborview Central pulsed a sleepy orange while trains slid in and out, breathing warm wind over commuters' ankles. Maia Park stood under a speaker and listened to the station itself. Beneath the hiss of brakes and the tannoy voice, there was a low note, like a whale groan, rising through floor tiles and her soles. She held a tiny recorder to her ear, tapped a switch, and watched the waveform spool green across the screen.
“Again, track three,” she called to the booth. Her voice bounced off the tile in three clean reflections. She counted the beat between them, mapped the echo against the equalizer sliders, and nudged the bass down by two notches. The low hum dipped obediently. “Better.”
A boy in a red hoodie watched her over an ice-cream cone. “Are you, like, a DJ for trains?”
“I make sure announcements don’t become soup,” Maia said. “If you hear the next one crisp, you can thank me.” She smiled. His cone dripped onto his wrist. He laughed and ran for his mother.
When the train pulled out, the note shifted. Maia closed her eyes. Buildings, platforms, pipes—everything in the city had a frequency if you listened long enough. It had been the first thing her father taught her when she was small. Tap a glass, hear its secret. Tap a city, hear a chorus.
Her phone buzzed. Unknown number.
“Ms. Park?” The voice was breathy, a little excited. “Dr. Lila Whitaker from the Conservatory. They said you’re the one with the ear. I’ve been cataloging the Aria Hall archives and I found something I need you to hear. Call me.” A second message followed, shorter. “If the room sings, the drawing lies.”
Maia tucked the recorder into her bag and looked up toward the stairwell. Someone had set a poster on the bulletin board: Save Aria Hall, Last Chance Before Demolition. A photograph showed a domed ceiling with a chandelier like a crystal comet. She’d only been inside once as a child, held in a throng while a choir peeled the roof with an anthem that went through her bones.
She glanced at the clock. She could swing by before heading to her apartment. The day had thinned to an October drizzle. She zipped her jacket, slung the strap over her shoulder, and stepped into the human stream, head tipped to the city’s hum as if following a melody no one else could hear.