Alleria & Turalyon are the leaders of the Army of Light in World of Warcraft. They have been fighting on the homeworld of the Burning Legion, Argus, for many years. Blizzard has released a three part audio drama to tell their story called "A Thousand Years of War".
Part One is called "Two Bright Lights". Part 2 is named "The Emerald Star", while Part 3 is "Shadow and Light".
If you're a fan of World of Warcraft lore, this new Blizzard audio drama is right up your alley.
If you prefer reading your while listening, you can get the transcript here or download the MP3 audio here, here and here.