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Video: How Does the Disc Look?
This 1.78:1 1080p transfer captures Keep the Lights On's Super-16 peachfuzz wonderfully. Detail is never outrageously sharp - one of the drawbacks of shooting on that kind of stock - but color quality is exceptionally vivid and well-balanced, and black levels are steady throughout. Grain has been handled pretty well, to boot, with the movie really glowing on this high-def presentation. There are some instances of artifacting and aliasing that need to be mentioned, but for the most part, this is a fine-looking transfer.

Audio: How Does the Disc Sound?
The DTS-HD 5.1 Master Audio sound mix included here is also perfectly appropriate. Music and dialogue are the major elements presented on this lossless track, and they both come across cleanly and crisply. Surrounds kick in every now and then to great effect, and fidelity across the board is dynamic and punchy. Pretty darned impressive.
English SDH subtitles are included.