Symphony No.21, Op.51 (Myaskovsky, Nikolay)
This work likely not be in the public domain in the US (due to first publication with the required notice after 1922, plus renewal or "restoration" under the GATT/TRIPS amendments) in the EU and those countries where the copyright term is life+70 years. However, it is public domain in Canada (where IMSLP is hosted) and in other countries (China, Japan, S. Korea) where the copyright term is life+50 years.
Moscow: Muzgiz, 1953. Plate M. 23517 Г.
Published in a volume with Symphony No.18, prefatory notes in Russian. Score occasionally contains slight skew or scanning artifacts.
If I read - which seems to be this volume - right, the editor is Myaskovsky's pupil (himself a composer) Aleksandr Lokshin (1920–1987).
|Work Title||Symphony No.21|
|Year/Date of Composition||1940|
|First Performance||1940-11-16 in Moscow
|Additional Copyright Info||This work is under copyright in the USA due to "restoration"|
under the GATT/TRIPS amendment (Section 104).
|Average Duration||18 minutes|
|Piece Style||Early 20th century|
Wikipedia article (German)