Association of German music educator and a performing artist https://music4viola.info/work-info/3/Weiner%20S./duo-concertant-op-49-for-violin-and-viola
Instrument List
Violin, Viola
Year (created)
1973
Directory, No.
op. 49
Konrad Ewald
This work is in the «List of compositions for viola» from Wikipedia
Genres
String duo
Literature
• Ewald · Directory «Musik für Bratsche», CH, 2013