Trousselier musical box / music box with dancing ballerina and 18-note wind up musical mechanism - Item# for this Trousselier musical box / music box: 60-111.
Marco Beltrami & Anna Drubich to Score Len Wiseman's 'Ballerina' | Film Music Reporter
Film Music Site - Ballerina Soundtrack (Klaus Badelt) - Gaumont (2017) - (Colonna Sonora Originale)