1. The novel follows Song and River and the lives they lead before and after their separation in Beijing. How does the structure --- moving across time and distance --- shape your emotional experience of their story?

2. How does the idea of “wandering to other keys” (a musical metaphor in the novel) reflect the narrative journey of the characters?

3. Song sees herself as “a nobody,” while River is considered extraordinary. How does this contrast shape their identities and choices, as well as where their lives ultimately take them?

4. How does motherhood define Song’s actions --- and where does it limit or empower her?

5. In what ways does River’s experience without his mother shape his sense of self and belonging?

6. How does the story explore the idea of “home”? Is home a place, a person or something else? How do the characters find “home” as the novel progresses?

7. The novel portrays both biological family and “found family.” How do these different forms of connection compare?

8. Music is central to River’s identity and how he experiences the world. How does music function beyond talent --- as language, connection or survival?

9. Do you think River’s gift is a blessing, a burden or both? How does it shape his opportunities and hardships?

10. What role do class, opportunity and systemic barriers play in the characters’ lives? Does River’s talent provide him with the opportunity to move upward, or is it just good luck?

11. How does the novel depict the experience of being “invisible” or overlooked in a large, fast-moving society?

12. The central event --- losing her child in a crowded train station --- hinges on who Song is and her position in society. How does the novel explore social inequalities and how that can determine life outcomes?

13. How do small acts (kindness, decisions, missed moments) ripple across the characters’ lives?