http://www.nexusmods.com/skyrim/mods/54387/

https://www.youtube.com/watch?v=zA_pGYhdm6k

ISC 2.0 is out! Tell your friends! Tell your dog! Head to Whiterun and tell the Jarl at once!

This is a monumental update, and totaling at 3,452 sounds all in all, makes it the biggest audio mod for Skyrim. Possibly even for any game? A ton of attention has gone into things that might seem inconsequential on their own, but together they should all add up into what amounts to a transformative experience.

Full changelog: