Clare Mast 
Last updated: 01.03.21
All that can presently (January 2016) be gleaned about by internet searching is that Clare Mast is the one-off composer of Kaiser's Rag (1915) published by Clare Mast, Edgerton, Ohio, USA.
Surfers are welcome to contribute information about this composer.
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Ragtime Music CDs:
cd15.gif Nora Hulse 24 Piano Rags by Women flag15us.gif