It is very unlikely that this work is public domain in the EU, or in any country where the copyright term is life-plus-70 years. However, it is in the public domain in Canada (where IMSLP is hosted) and other countries where the term is life-plus-50 years (such as China, Japan, Korea and many others worldwide). As this work was first published before 1923 or failed to meet notice or renewal requirements to secure statutory copyright with no "restoration" under the GATT amendments, it is very likely to be public domain in the USA as well.
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|Work Title||Die Mutter, Op.25|
|Opus/Catalogue NumberOp./Cat. No.||Op.25|
|Year/Date of CompositionY/D of Comp.||1931|
|First Publication.||1951 - (vocal score selections)|
1963 (original score)
1959 (3rd concert version selections)
|Copyright Information||Most likely public domain in the USA, despite publication date.|
|Librettist||Bertolt Brecht (1898-1956), after the novel by Maxim Gorky (1868 – 1936)|
|Average DurationAvg. Duration||40 minutes|
|Composer Time PeriodComp. Period||Modern|
|Instrumentation||Solo voices, Choir, Flute, Clarinet, Horn in F, Trumpet, Banjo, Bass, Percussion, Piano|
According to Wikipedia, this incidental music was written for Bertolt Brecht's 1930-31 play The Mother. It was re-written in 1935 as a cantata.