The Board cancelled the performance in response to threats of protest by anti-Castro activists over Diamantes ' performance in a concert in Havana , Cuba days earlier .
A performance by Cuban singer Cucu Diamantes was cancelled by the city 's Board of Education , causing controversy .
The Board cancelled the performance in response to threats of protest by anti-Castro activists over singer ' performance in a concert in Havana , Cuban days earlier .
A performance by Cuban singer Cucu Diamantes was cancelled by the city 's Board of Education , causing controversy .