Cantors in Wien #Austria-Czech

Daniella Alyagon

Is anyone aware of a list of cantors in Wien, Austria around the period of WW1?
A relative told me that a cousin (part of the Messer family) was an opera singer in the state opera and a cantor in Wien circa 1914.
Any help finding the name of this cousin would be great.
Thsnk you and happy holidays,
Daniella Alyagon

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