All that can presently (December 2015) be gleaned about by internet searching is that Castro Carazo is the one-off composer of New Orleans Rag (1960) published by Mills Music Publishers, New York, USA.
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 1 work by Castro Carazo.
It does not claim to be complete and represents only the number of items located.