Music
The Path of the Goblin King - Kevin MacLeod (incompetech.com) Licensed under Creative Commons "Attribution 3.0"
Things that had to be changed (out of memory)
Lower level of Temple of Dibella
Temple of Talos
Barracks under guard tower
Trading Company (elongated walk way)
Vlindrel Hall (elongated walk way)
Things that aren't done or are partially done
Markarth Ruins
Left Hand Mine
Abandoned house (par)
Cidhna Mine (par)
The Treasury House (par)
(If there's something not listed here, which is quite likely, I just forgot to list it)