All that can presently (February 2016) be gleaned about by internet searching is that Harry Stafford is the one-off composer of The Cat on the Keyboard (1915) published by Francis, Day & Hunter, London W.C.2, England.
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 1 work by Harry Stafford.
It does not claim to be complete and represents only the number of items located. Keys:ER