So uhh, it turns out Oblivion stores and accesses its music via plain .mp3 files. It's incredibly easy to just rename your own audio file and replace the original : r/oblivion
Fires of Oblivion (MP3 CD) | The Learned Owl Book Shop
Stream kidromi - oblivion.mp3 by gallywinx | Listen online for free on SoundCloud
Divided Heaven - "Oblivion" LP + MP3 - A-F Records
The Sweetest Oblivion (MP3) - Ceny i opinie - Ceneo.pl
Download MP3: Sia Ft. Labrinth – Oblivion » Soloplay
Suspended Between Earth and Sky | Ageless Oblivion | Apocalyptic Witchcraft Recordings
Into Oblivion | Voices of Ruin
Nora En Pure - Oblivion (MP3 Download) | iminathi
Oblivion Songs Download, MP3 Song Download Free Online - Hungama.com