In this Oct. 14, 2014 photo, Lilian Riera, a high school student, test her viola after it was repaired by Andres Martinez, who watches, at the Luthier Workshop of Havana, a state-run workshop where craftsmen make and repair violas, cellos and violins in Havana, Cuba. (AP Photo/Ramon Espinosa)
In this Oct. 14, 2014 photo, Lilian Riera, a high school student, test her viola after it was repaired by Andres Martinez, who watches, at the Luthier Workshop of Havana, a state-run workshop where craftsmen make and repair violas, cellos and violins in Havana, Cuba. (AP Photo/Ramon Espinosa)
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