Lost In Hildurness has been played on NTS in shows including The Early Bird Show w/ Maria Somerville, featured first on 23 August 2022. Songs played include You.

Hildur Ingveldardóttir Guðnadóttir (born in Iceland 1982) is a cellist and a composer, see also the profile with her shorter name Hildur Guðnadóttir for newer releases of her soundtracks.

She began her cello studies at the age of 6, studying with Sigurdur Halldórsson, Gunnar Kvaran and Bryndís Halla Gylfadóttir. As a cellist she has played with a number of muscians. Amongst them are múm, Skúli Sverrisson, Hilmar Jensson, The Hafler Trio, Jóhann Jóhannsson, Nico Muhly, Valgeir Sigurðsson, Angel, Pan Sonic, Schneider TM, BJNilsen and Stilluppsteypa. She has performed as a cellist all over Europe and the United States.

Hildur studied electro acoustic composition at The Icelandic Academy of the Arts and Universitat der Kunste in Berlin. She graduated the spring 2005 from the Composition/New Media department of The Icelandic Academy of the Arts and was the first person to do so.

As a composer she has written music for plays, dance performances and films, pieces for chamber orchestras, various instruments, voices and electronics. Hildur has made sound and visual installations as well as composing and conducting musical performances. She has also assisted other artists such as Christina Kubisch with realizing and setting up sound installations.

Hildur has from a young age taken part of several record releases. The most recent projects released in 2005 with the bands Stórsveit Nix Noltes and Mr. Schmuck's Farm. Her first solo album under the name Lost in Hildurness is called Mount A.