"March of the Falsettos" is a musical by William Finn that combines humor and drama to explore themes of love, family, and identity. The story follows Marvin, a gay man navigating his relationships with his ex-wife Trina, their son Jason, and his partner Whizzer. Set in the 1980s, the musical addresses the complexities of modern life and the impact of the AIDS crisis. The show is a sequel to Finn's earlier work, In Trousers, and is part of a trilogy that includes Falsettoland. It features a unique blend of catchy songs and poignant moments, highlighting the struggles and triumphs of its characters as they seek connection and understanding in a changing world.