F.L. Armstrong 
Last updated: 26.02.18
All that can presently (March 2015) be gleaned about by internet searching is that F.L. Armstrong is the one-off composer of Umbrella Dance (?).
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 1 work by F.L. Armstrong. It does not claim to be complete and represents only the number of items located.

Umbrella Dance (?)