NPR's Ann Powers talks about the soundtrack to Steve McQueen's film '12 Years a Slave,' and why it's the most compelling film about music to be released this year.
'12 Years a Slave' soundtrack

Fox Searchlight/NPR Music
NPR's Ann Powers talks about the soundtrack to Steve McQueen's film '12 Years a Slave,' and why it's the most compelling film about music to be released this year.