The document provides biographical information about a composer born in Germany in 1900. It mentions that he was composing and performing concerts by age 12 and had various musical jobs before having 5 of his works performed in Germany by 1923. His first opera premiered in 1926. It also lists some of his genres and pieces, including a medieval murder ballad, and provides context about one of his operas which premiered in Berlin in 1925 and was meant as provocative entertainment but was revised to be less political.