Christian metal Tributes at Sunday services by Comunidade Gólgota (brazilian underground ministry)

Comunidade Gólgota it's a brazilian church based in Curitiba with a strong relationship with the metal and hardcore. Bands like Desertor, Hawthorn, Doomsday Hymn, Seven Angels and other have some members that are from this church. Narnia and Antestor played in this venue too.

In some ocasions, an special event called "Voices of Heaven" happen at the sunday services, playing homage to legendary christian rock/metal bands. Here is some exemples: 

Stryper


Stryper again 


Guardian


Whitecross


Barren Cross



Mortification

The church also have your own "praise metal band" called Power Praise. Here is some songs, in portuguese:

I Remember this singer from some christian metal concerts that we have been into. It's such a niche market, so, I always see the same guys waliking around.

He is incredibly talented. 
I can see that he can sing almost as well as Michael Sweet, and I know he can sing like John Schillit, too.