All that can presently (December 2015) be gleaned about by internet searching is that Gregorio Domingo is the one-off composer of Manilla Rag (1916) published by Gregorio Domingo, Liberal, Kansas, USA.
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 1 work by Gregorio Domingo. It does not claim to be complete and represents only the number of items located. Key: Electronic Resource Items