Music:ON World:OFF Welcome to Syrus. Please pick up your complimentary pair of headphones at the gates. Plug them into your mandatory devices and skip to track four. Listen and enjoy. Cor's world is filled with notes and pitch and tone. Twenty three hours of the day she is hooked to the music mandated by the Serial Seven, Syrus' elite council. It is essentially every teenager's dream: Hit a button and drown the world out. But what happens when the music stops?