[3][4] She frequently performs at festivals in Norway and the United Kingdom including Øyafestivalen, Stavernfestivalen, and Bergenfest.

In retrospect she stated she felt lucky to experiment with music in her hometown, "[playing] live in peace for years before getting exposed to outside pressure.

[15] She performed acoustic music and folk-pop songs at small club circuits and pop-up events with her boyfriend at the time, Richard Craker,[6] and the duo released the EP Things We'll Never Say (2010).

[15][17] In 2012, Dagny performed in London and Tromsø, while also working part time in a clothes shop, wine bar and elderly home.

[7] In the autumn of 2015, Dagny recorded "Backbeat" in a studio near London Bridge with her then-bandmates, two English musicians, "Harry and Richard".

[15][5] In 2016, Dagny released her follow-up single "Fool's Gold", which was the fourth most played on the Norwegian radio station NRK P3.

[27] The Guardian described it as an "exuberant but pensive riot of pounding drums, live instrumentation and just enough electronic flourishes to give it a modern edge, combined with some truly extraordinary songwriting.

The latter proved popular on club circuits, with Harper's Bazaar praising the song, urging readers to "add [it] to your weekend party playlist ASAP.

[2] Dagny starred in Season 2 of the Netflix series Home for Christmas in December 2020, as the character Nurse Lisa.

[41] Dagny co-performed the song "Pretty" in December 2021 with fellow Norwegian artist Astrid S for the soundtrack to the romantic comedy The Hating Game (2021).

The stripped back ballad diverged from previous synth and anthemic sounds, with Dagny describing the love song as "one of the most raw" she has ever performed.

[4] She supported Sting on his My Songs Tour, playing at Bedford Park in June 2023[47] and Cardiff Castle in July 2023.

The show was sold out and featured Synne Vo as the opening act and Astrid S as a co-performer during the song "Pretty".

It contains 8 tracks including "Heartbreak in the Making" (which peaked at number 19 in Norway),[52][53][54] "Same Again (For Love)", "Strawberry Dream", and "Ray-Bans.

"[55][56][57][58] Dagny often utilizes a pop music technique known as one-note melodies, created by having one note surrounded by various harmonies, to construct catchy songs.

[59] Dagny states her musical preference falls around "pop songs with a little bit of an indie, left of center vibe."

[60] On an AMA on Reddit, Dagny shared that she enjoys outdoor pursuits including swimming, hiking and bicycling, as well as vintage shopping, and that her favorite color is pink, reflected in the cover of her debut album Strangers / Lovers.