"An Sommertagen" was released with "Um bei dir zu sein" from Christina Stürmer's fourth album, Lebe Lauter.

Translated, Um bei dir zu sein means "To Be at Your Side", and An Sommertagen means "On Summer Days".

[1] "Um bei dir zu sein"/"An Sommertagen" was originally only released in Austria as a double A-side single.

Together, they reached number one on the Austrian single chart.

No music video was made for "An Sommertagen", but "Um bei dir zu sein" was later released as the sixth single from the same album in Germany and a video was made for it.