Translation: Century. Composed by Jochem Wolff. This edition. 2001 edition. Paperback.
Translation: Sonata No.2. Jonny spielt auf, The Belltower, etc. Sonata No.2. For Solo Violin. 1900-1991.
Translation: Krenek's long life in music began as a conductor in German opera houses, which may explain his prodigious output of original operas.