Wiener Launen-Walzer 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...

 6, is 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 I

Johann Strauss I

Johann Strauss I , born in Vienna, was an Austrian Romantic composer famous for his waltzes, and for popularizing them alongside Joseph Lanner, thereby setting the foundations for his sons to carry on his musical dynasty...

. It premiered in the ballroom

Ballroom

A ballroom is a large room inside a building, the designated purpose of which is holding formal dances called balls. Traditionally, most balls were held in private residences; many mansions contain one or more ballrooms...

 of the Weisser Schwan on the 26th November 1827. The evening marked the beginning of the first Katharinen-Ball, the last dance celebration before the beginning of Advent

Advent

Advent is a season observed in many Western Christian churches, a time of expectant waiting and preparation for the celebration of the Nativity of Jesus at Christmas. It is the beginning of the Western liturgical year and commences on Advent Sunday, called Levavi...

. It was one of the first of Strauss' works to contain a definite form: an introduction, the waltz themes, and a coda. The principal waltz theme is in the key of E-flat major.