I watched the film Once last night. It is a sweet "love story" though not in the conventional way. It is also a musical though not conventionally. The music is a character in the film and the lead female protagonist named "Girl" is a different kind of Muse for the male protagonist "Boy" (though he's in his 30s). The plot is very spare -- and it works here and gives the film a natural feel. The low budget doesn't hurt in this department either. The sparse story arc gives a chance for the music and characters to really shine forth. It's not flashy like Atonement, but it is a sweet movie -- and the soundtrack must be awesome too. I'm downloading it soon.
And the soundtrack: