Ominous Theme Song Composition

I'm in need of a deep and ominous theme song for my project. The song should be purely instrumental, featuring the organ and drums prominently to create an ancient and powerful sound. The ideal candidate for this job should have a deep understanding of orchestration and rhythm, with experience in composing for these specific instruments.

Key requirements:
- Exceptional skills in music composition
- Proficiency in playing the organ and drums
- Experience in creating deep and ominous soundscapes
- Ability to create an 'ancient and powerful' sound
- No vocal elements in the composition