A.R. Langermann 
Last updated: 26.02.18
All that can presently (January 2016) be gleaned about by internet searching is that A.R. Langermann is the one-off composer of Metropolitan Rag (1917) published by Langermann & Humsinger, New Orleans, Louisiana, USA.
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 1 work by A.R. Langermann. It does not claim to be complete and represents only the number of items located.

Metropolitan Rag (1917) wvicon.gif
Co-Author: F.C. Humsinger