Martin K. Mortensen 
Last updated: 22.02.21
All that can presently (November 2015) be gleaned about by internet searching is that Martin K. Mortensen is the one-off composer of Dansopation (1923) published by Hearst Music, Winnipeg, Manitoba, Canada.
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 1 work by Martin K. Mortensen. It does not claim to be complete and represents only the number of items located.
Title Year Attribution Remarks
Dansopation 1923  wvicon.gif
     Title Dur Performer Composer Score/Song
youtube15.jpg Dansopation 3:11 Ragtime Dorian Henry M.K. Mortensen