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Every morning, a mysterious trombonist plays a concert in one of Warsaw's tenement houses.
as Joanna
as Katarzyna
as Joanna & Katarzyna's Sister
as Janek
as Grandmother
as Janek's Mother
as Józia
as Joanna & Katarzyna's Mother
as Brański
as Janitor / Chief / Clerk / Female Clerk
as Tomek
as Tenant
as Hieronim
as Flower Seller (uncredited)
as Clerk (uncredited)
as Tenant (uncredited)