Sergio David Calzado Almenares is the bandleader, music director, arranger, and lead vocalist of 16-piece musical ensemble, Charanga Habanera.
[1] David Calzado has played an essential role in the evolution of modern Cuban music, although he was forced to reorganize his music group in 1997.
There is a movie called "Popular!"
that tells the story of David Calzado and his orchestra.
This article on a Cuban musician is a stub.