Klangkarussell (German: Sound Carousel) is an Austrian electronic music duo formed in 2011.

Their biggest hit to date is "Sonnentanz", which reached the top 10 in six countries (Austria, Belgium, Germany, the Netherlands, the United Kingdom and Switzerland).

At the same time, Adrian Held produced electronic music under the artist name i herald, a partial anagram of his real name.

A new version of the song was released in the United Kingdom on 18 August 2013, featuring vocals from Will Heard.

Latest hits include "Hey Maria", a single edit released in September 2016.