Klänge aus der Walachei opus

Opus number

An Opus number , pl. opera and opuses, abbreviated, sing. Op. and pl. Opp. refers to a number generally assigned by composers to an individual composition or set of compositions on publication, to help identify their works...

 50, is the name of a waltz

Waltz

The waltz is a ballroom and folk dance in time, performed primarily in closed position.- History :There are several references to a sliding or gliding dance,- a waltz, from the 16th century including the representations of the printer H.S. Beheim...

 composed by Johann Strauss II

Johann Strauss II

Johann Strauss II , also known as Johann Baptist Strauss or Johann Strauss, Jr., the Younger, or the Son , was an Austrian composer of light music, particularly dance music and operettas. He composed over 500 waltzes, polkas, quadrilles, and other types of dance music, as well as several operettas...

. The composition was first performed on 6 January 1848 in Bucharest

Bucharest

Bucharest is the capital municipality, cultural, industrial, and financial centre of Romania. It is the largest city in Romania, located in the southeast of the country, at , and lies on the banks of the Dâmbovița River....

 in Wallachia

Wallachia

Wallachia or Walachia is a historical and geographical region of Romania. It is situated north of the Danube and south of the Southern Carpathians...

 (now Romania

Romania

Romania is a country located at the crossroads of Central and Southeastern Europe, on the Lower Danube, within and outside the Carpathian arch, bordering on the Black Sea...

), as part of a six-month tour of Europe that Strauss was conducting with his orchestra. Strauss had been influenced by the folk music of the countries he had toured, and this is reflected in his waltz Klänge aus der Walachei.