Oscar Fetras
Born: 16th February 1854, Hamburg, Germany
Died: 10th January 1931, Hamburg, Germany
Nationality: German
Oscar Fetrás was a German composer of popular dance music, military marches, piano pieces and arrangements.
Fetrás had over 200 compositions to his name. His best known work is his waltz "Mondnacht auf der Alster" Op. 60 which is still immensely popular to the present day.
Read more at https://en.wikipedia.org/wiki/Oscar_Fetrás