Fortress Round My Heart was finally released in the United States in March 2009 with "I Like You So Much Better When You're Naked" appearing on the Hot Modern Rock Tracks chart in April 2009.

In September 2009, a remix version and music video for "Oh My God" featuring punk rock icon Iggy Pop singing backing vocals was released.

Maria's song "I Like You So Much Better When You're Naked" was used in episode 8 of My Life As Liz entitled "A Prom to Remember Part 2".

[11] Maria's song "Keep Me Warm" was used in the season 4 finale of the ABC drama Grey's Anatomy and during some Nivea commercials during fall 2009.

[citation needed] Maria's song "Oh My God" was in the trailer for It's Kind of a Funny Story and The Virginity Hit.

Ida Maria's song "Oh My God" was used in a Finnish film, Sisko tahtoisin jäädä (Sister, I wanted to stay), released in 2010.

[citation needed] Ida Maria's song "Oh My God" was also used in American Netflix show, Big Mouth Season 2 Episode 2, released in 2018.

The song "Cold Blooded" has been featured on the soundtracks for the Melissa McCarthy comedy Spy and the musical drama Jem and the Holograms.

The song "I eat boys like you for breakfast" was used in the first episode of Season 10 of Jenter (Girls), a Norwegian TV and web series directed at children and teenagers on NRK Super.

[20] In 2012, she did a duet with Anthony Green for the track "Can't Be Satisfied" on his 2012 album Beautiful Things.