Why does Andy take Sophie to karaoke night in the novel, Good Material?

Karaoke symbolizes Andy's struggle with nostalgia and his difficulty moving forward. Taking Sophie to karaoke to recreate a date with Jen underscores Andy's obsession with the past, highlighting his reluctance to embrace new experiences and relationships. Instead of focusing on building something meaningful with Sophie, Andy clings to memories of his time with Jen, revealing his unresolved feelings and emotional baggage.