Is this demo rare for Thrash Metal collectors?

Yes, as a 2007 demo from Black Sister, it holds specific collector appeal within the Thrash and Heavy Metal scenes.

What genre is Black Sister's 2007 release?

The music falls squarely within the Rock genre, specifically characterized by Thrash and Heavy Metal styles.

This particular demo was recorded in 2007.

Name: Black Sister - Demo 2007
Brand: Black Sister

Rock

Rock · 2007

Year · 2007Genre · RockStyle · Thrash, Heavy Metal

Used

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New / Sealed

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Is this demo rare for Thrash Metal collectors?: Yes, as a 2007 demo from Black Sister, it holds specific collector appeal within the Thrash and Heavy Metal scenes.
What genre is Black Sister's 2007 release?: The music falls squarely within the Rock genre, specifically characterized by Thrash and Heavy Metal styles.
What year was this Black Sister recording made?: This particular demo was recorded in 2007.