[1] In 2015 she recorded a jazz-covers album Happiness with Swedish trio Kontur,[2] as well as cooperating with Roxette's bass guitarist Magnus Börjesson in a "jazz electronique" project.

They toured Japan, France and Poland,[7] and went on to release three albums, White Lucky Dragon (2004), ... and poems for the unborn (2006) and Glory and grace (2013).

The song, "Spiderweb suit", written by Josefsson, features in the film New York Waiting (directed by Joachim Hedén, 2006).

[11] In early 2003, Josefsson started collaborating with Per Gessle as a backing singer for his successful solo album Mazarin, which topped the charts in Sweden.

[10] "I remember driving a car between Lund and Lomma when Christoffer called and wondered if I was interested in starting singing with Per who wanted a girl for his solo projects.

[7] She went on the Mazarin Sommarturne (Summer tour) in 2003 with Gessle and his solo band: Clarence Öfwerman (keyboards), Christoffer Lundquist (bass), Jonas Isaakson (guitar), Jens Jansson (drums).

(2004) and then sung in Swedish and English for Gessle's solo albums, Son of a Plumber (2005), En händig man (2007) and Party Crasher (2008).

Her voice became more prominent in Party Crasher, significantly contributing to the songs, "Hey, I Died and Went to Heaven" and "Perfect Excuse".

[17] Josefsson has also done backing vocals for other artists including, Righteous Boy,[18] Swan Lee,[19] Junior Senior,[11] Andreas Johnson,[11] Sebastian Karlsson,[11] and Pelle Ossler.

Josefsson along with other Swedish female singers, Nina Persson (the Cardigans), Cecilia Nordlund (aka Cilihili), Lotta Wenglén and Gudrún Hauksdóttir, performed a live concert and recorded a documentary film Jag är min egen Dolly Parton (I am My Own Dolly Parton, dir.

[27] In 2013 Josefsson sang together with the Vindla String Quartet, performing in French, notably "Hymne à l'amour" by Edith Piaf.

[28][29][30] "Ne Me Quitte Pas" was filmed by Sveriges Berlin, a Malmö based video magazine that followed local culture.