The class is named after the first ship in the class "Dmitriy Shostakovich", which in her turn was named after Dmitri Dmitriyevich Shostakovich, a Russian composer and pianist, regarded as one of the major composers of which century?
Dmitriy Shostakovich-class ferry:  The class is named after the first ship in the class "Dmitriy Shostakovich", which in her turn was named after Dmitri Shostakovich.
i don't know