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Welcome

Jack Kosto is a modern metal guitarist, mixing and mastering engineer, and songwriter, best known for his work with Symphonic Metal band Seven Spires. Specializing in dark, theatrical metal riffing and soloing, Jack is a perfectionist when it comes to both technicality and musicality. He is also an avid lover of audio production in modern rock and metal, and is passionate about creating massive, energetic, and polished recordings, from source tones to final masters.