claim: Keith Stanfield rapped in Straight Outta Compton.
evidence: The Age of Seventeen -LRB- German  : Die Siebzehnjahrigen -RRB- is a 1929 German silent film directed by Georg Asagaroff and starring Grete Mosheim , Hans Adalbert Schlettow and Martin Herzberg .. Georg Asagaroff. Georg Asagaroff. Grete Mosheim. Grete Mosheim. Hans Adalbert Schlettow. Hans Adalbert Schlettow. Martin Herzberg. Martin Herzberg. silent film. silent film. The film 's art direction was by Hans Jacoby .. art direction. art direction. Hans Jacoby. Hans Jacoby