Here's 42 minutes and 27 glorious seconds of audio sound effects from Warner Bros. cartoons. And, should you want more (and of course you do), here's one hour and 17 seconds worth from Hanna Barbera studios.
Killing Them Softly - Trailer(Youtube) - is based on a 1978 novel by George V. Higgins (Boston's Balzac), set in Boston. The movie was filmed in New Orleans and set in 2008. [more inside]