Killsound packages allow you to customize the global sound played when you kill another player! Equip them by using /killsound in game.

The Fanfare package includes:

Amethyst Chime (Uncommon)
Challenge Complete (Uncommon)
Cured (Uncommon)
Enchanting (Uncommon)
Firework (Uncommon)
Funeral Bell (Uncommon)
Level Up (Uncommon)
Resonance (Uncommon)
Twinkle (Uncommon)