Oscar 2008: “Falling Slowly” from ONCE Possibly Ineligible

Glen Hansard, Markéta Irglová in Once

In The Vast Picture Show, the [Dublin] Sunday Tribune’s film critic Paul Lynch reports that "Falling Slowly," from the Irish romantic musical Once, may be ineligible for the best original song Oscar. The Academy has been apparently investigating the issue.
Lynch quotes a piece by the Sunday Tribune’s music critic Una Mullally:
"The Sunday Tribune understands that the Academy query relates to whether the song, from the John Carney-directed movie Once, was written specifically for the film, as the eligibility rules for the Best Original Song category demand. ‘Falling Slowly’ was originally recorded by the film’s co-stars Glen Hansard and Marketa Irglova when Czech director Jan Hrebejk asked the two musicians to contribute songs to his 2006 [...]