Reinhard Ehrke 
Last updated: 22.06.17
All that can presently (May 2013) be gleaned about by internet searching is that Reinhard Ehrke is the one-off composer of Champagne Polka (1905) published by Unknown, The Lost City, Lost City, Nowhere Land.
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Reinhard Ehrke  has at least 1 item(s) at the Amazons which you can order on-line by clicking the item's order icon.

Champagne Polka
By Reinhard Ehrke.
Editor/Arr.: Alfred Roth
Publisher: Unknown
Suppliers: flag15us.gif flag15uk.gif flag15es.gif
Printed: 1905. Sheet Music. Limited Availability.