Johann Baptist Strauss I ; 14 March 1804 – 25 September 1849), also known as Johann Strauss Sr., the Elder or the Father was an Austrian composer of the Romantic Period.

He was famous for his light music, namely waltzes, polkas, and galops, which he popularized alongside Joseph Lanner, thereby setting the foundations for his sons—Johann, Josef and Eduard—to carry on his musical dynasty. He is best known for his composition of the Radetzky March (named after Joseph Radetzky von Radetz).

Johann Baptist Strauss II: 25 October 1825 – 3 June 1899), also known as Johann Strauss Jr., the Younger or the Son was an Austrian composer of light music, particularly dance music and operettas, as well as a violinist.

He composed over 500 waltzes, polkas, quadrilles, and other types of dance music, as well as several operettas and a ballet.

In his lifetime, he was known as "The Waltz King", as he played a major role in popularizing the waltz in the 19th century. Some of Johann Strauss's most famous works include "The Blue Danube", "Kaiser-Walzer" (Emperor Waltz), "Tales from the Vienna Woods", "Frühlingsstimmen", and the "Tritsch-Tratsch-Polka". Among his operettas, Die Fledermaus and Der Zigeunerbaron are the best known.