Grinder (band)
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Grinder was a late 1980s/early 1990s speed metal/thrash metal[1] band from Germany. They released three full-length albums and one EP before disbanding. Grinder was the first international heavy metal act to play in Turkey, on May 12, 1990, at the Open Air Theater in Istanbul.

- Adrian Hahn – vocals (plus bass guitar on first three albums)
- Andy Ergün – guitars
- Lario Teklic – guitars
- Andi Reichert – bass
- Stefan Arnold – drums (played in Grave Digger afterwards)