"Campaign at Kol'Vat" was a traditional Klingon song, fifteen verses long, commemorating a historic battle. "Campaign at Kol'Vat" was a favorite of IKS Gorkon crewmember B'Elath, though she sang it poorly, and her performance of the song seemed to always immediately precede a battle. (TNG - The Brave and the Bold, Book Two novella: The Final Artifact)