Andersson, Magnus (2012). ”En annen form for virtuositet.” Review of Serynade (CD, Ugelvik), Morgenbladet, 02.11.2012, p.35.

Bernstein, Leonard (1962): A transcription of Leonard Bernstein's introduction to the Brahms D minor concerto Op. 15; recorded April 9, 1962, in New York City. URL:  [11.12.2016]

Cage, John (1958). Concerto for piano and ensemble. Concerto performed by Ugelvik and Risør Chamber Orchestra, conductor Christian Eggen, 30.06.2012, Risør, Norway.

Engelstad, Fredrik (2005). Hva er makt. Oslo: Universitetsforlaget.

Grimen, Harald (2009). Hva er tillit. Oslo: Universitetsforlaget.

Hegdal, Magne (2015). Konsertstykke i tre deler (Concert piece in three sections). Piano concerto, premiered by Ugelvik and the Norwegian Radio Orchestra, conductor Bjarte Engeset, 28.01.2015, Store Studio NRK, Oslo, Norway.

Itkin, David (2014). Conducting concerti: A technical and interpretive guide. Denton: University of North Texas Press.

Thorsen, Bente L. (2015). at the tips of my fingers/on the tip of my tongue. Piano concerto, performed by Ugelvik, Ensemble Allegria, leader Berit Cardas, 15.04.2015, Universitetets Aula, Oslo, Norway.

Ulvo, Therese B. (2016): Woven Fingerprints. The work is composed but has not yet premiered [11.12.2016].

Winnes, Cathrine (2016). Om Theory of the Subject av Trond Reinholdtsen. NRK P1, Spillerom søndag, 02.10.2016. [Radio interview] URL: