an Entity references as follows:
Karel Komzák II (8 November 1850 – 23 April 1905) was a Bohemian-born Viennese composer famous for his dances and marches. Komzák was born in Prague in 1850. After training under his father, Karel Komzák I, he studied violin, musical theory, and conducting at the Prague Conservatory between 1861 and 1867. In March 1869 he joined his father’s 11th Regiment band at Linz, playing violin and baritone. His son Karel Komzák III (1878 – 1924) was also a composer.