This piece of art would fall under the potrait category
Look at how this picture is similar to the one you are asking about.
If you mean counting triplets as in how to write them then you write them as you would any normal triplet. A quaver triplet would be a crotchet and a crotchet triplet would be a minim (although crotchet triplets aren't used much)
The folk music of slaves brought to Latin America and the Caribbean islands is closer in sound to its African roots because of two reasons. First, the cultural practices of the slaves brought to North America were suppressed. Second, slaves in Latin America and the Caribbean were allowed to play drums.