Old material that hasn't been put online yet, I was the drummer...
https://www.metal-archives.com/bands/Sectarian/7128
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https://www.youtube.com/watch?v=l0oRdba6m4Q
Custom made inears How to get started without breaking the bank Affordable way to try out. Very pleased with the results. I am definitively convinced to buy Custom Inears after using these for almost a year.
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https://www.youtube.com/watch?v=uAAFAitrI38