The 22-year-old actress has already recorded several songs for the soundtrack to her upcoming Dylan Thomas movie 'The Edge of Love'.
The LP features the songs Keira sings in the movie, set during World War II, including her opening number 'Blue Tahitian Moon', as well as renditions of 'Maybe It's Because I Love You Too Much' and 'Drifting And Dreaming'.
Last year, Keira - who plays one of two women vying for the affections of Welsh poet Dylan - confessed she did not have much confidence in her singing ability.
She said: "I can't really sing. I had to have a few lessons, but once I started doing it, a sound emerged that wasn't too disagreeable."
Suggs from Madness, Siouxsie Sioux, Patrick Wolf and Beth Rowley also feature on the soundtrack which will be released in the summer to coincide with the opening of the film.
'The Edge of Reason', which was written by Keira's mother Sharman Macdonald, stars Matthew Rhys as Dylan Thomas, Kiera as the wordsmith's childhood friend Vera Phillips, and Sienna Miller as his wife Caitlin MacNamara.
TAGS: Music Keira Knightley