Skyrim Special Edition Mods - 11 Skyrim Flora Overhaul SE
Note: This mod will hit your fps hard. Your looking at up to 10 fps drop in certain areas. So be sure to have some performance to spare.
But if you do, this mod is a must have.
If you don't like the grass, there is also a "trees only" version available.
Skyrim Flora Overhaul SE:
http://www.nexusmods.com/skyrimspecialedition/mods/2154/?
Music:
The Elder Scrolls III: Morrowind "The Final Stage" by Freemind on OC-Remix:
http://ocremix.org/remix/OCR01207