Introduction: Ethnic heritage across the generations: racialization, transnationalism, and homeland -- History and the second generation -- The prewar Nisei: Americanization and nationalist belonging -- The postwar Nisei: biculturalism and transnational identities -- Racialization, citizenship, and heritage -- Assimilation and loss of ethnic heritage among third-generation Japanese Americans -- The struggle for racial citizenship among later-generation Japanese Americans -- Ethnic revival among fourth-generation Japanese Americans -- Ethnic heritage, performance, and diasporicity -- Japanese American taiko and the remaking of tradition -- Performative authenticity and fragmented empowerment through taiko -- Diasporicity and Japanese Americans -- Conclusion: Japanese Americans ethnic legacies and the future.