Requiem for a Dream 15th Anniversary: Clint Mansell on the ubiquity of 'Lux Aeterna'
Composer Clint Mansell on its hip-hop roots and how he feels about its use in trailers
8 Great Movies Too Upsetting to See Twice
''12 Years a Slave'' is a stellar film -- but so emotionally taxing that it's tough to imagine a second viewing. In no particular order, here are other examples of spectacularly difficult cinema
What great movie will you never watch again?
Check out today's Ask the Critic question, then post your own