Testament

Some are fast. Some are groovy. All are heavy — and awesome.

Following the news of Josh Freese and Ilan Rubin switching places in Nine Inch Nails and Foo Fighters, we look at other times where bands swapped musicians.

Chris Adler reveals he was contacted by a name thrash band, but ultimately decided he wanted new challenges for his career moving forward.

Loudwire singles out 15 big thrash bands and names the best album by each.

See Lamb of God's statement.

Music has the power to move people to action.

Going deep, but you're still listening.

They weren't heavily promoted, but fans found them anyway.