Billy Geller 
Last updated: 22.06.17
All that can presently (August 2015) be gleaned about by internet searching is that Billy Geller is the one-off composer of Kosusko Tango (n.d.) published by D. Davis & Co. Music Publishers, Sydney, NSW, Australia.
Surfers are welcome to contribute information about this composer.

Further sheet music at DBE: ON HOLD