An oratorio is a large-scale piece of music for choir, orchestra and vocal soloists, which tells a story without staging or costumes. Most oratorios are based on stories from the Bible, a source that Handel's English audiences knew well.
Enthir is a Bosmer sorcerer and merchant found at the College of Winterhold, and has connections to the Thieves Guild in Skyrim.
Skyrim:Cities. This page lists all the cities in Skyrim. Each city is located in a different hold, and is home to that hold's ruler, or jarl. The five largest cities (major cities) are walled, allowing their maps (or cells as they are called in the Creation Kit) to be treated separately from the main map.