A track, "Ice Water", has been said to feature a string arrangement by Jeffrey Fayman.

Heleen de Witte is said to play flute on unspecified tracks while Timothy Conroy provides some trumpet work.

They released their first album called Air at the end of 2007, mixed by Jon Anders Narum.

[1] For the week ending 2 July 2009, Pure Air (a compilation of tracks from Air but also of songs featuring Anneke with other artists like Within Temptation) entered the GfK Dutch Charts at No.42 during the first week of release, her highest ever chart position.

[3] Under the name Anneke van Giersbergen & Agua de Annique, they released the concert album Live in Europe in 2010.