When a new Call of Duty zombies map drops, rest assured that it comes with a new banger tune to jam out with as you slay hordes of the undead — but they always have a secret way to get the music pumping. The same is true with Black Ops 6’s newest Zombies map, Citadelle des Morts.
Treyarch has previously collaborated with famous artists like Eminem and Avenged Sevenfold for their zombies map easter egg music, but the new Citadelle des Morts map includes a song from one of the most frequent Call of Duty zombies musical artists — Kevin Sherwood.
If you want to trigger the new easter egg song in Black Ops 6 zombies, you’ll have to interact with three items hidden around the map. Here’s where to find them.
Read more: Everything Coming In Call of Duty Black Ops 6 and Warzone Season 1 Reloaded
Finding the three pairs of hidden headphones on Citadelle des Morts
If you’re trying to start the new song, Slave, you need to find three pairs of headphones scattered in and around the castle. Here’s where they are — ordered in closeness to the map’s player spawn area.
First pair of headphones
The first pair of headphones can be found right by where you spawn in.
The first set of headphones is easy to find, since you don’t need to open any doors to hunt them down. Right in front of the player spawn, you’ll find a tavern with an upgrade station, a workbench and an armor upgrade.
On the first floor of the tavern, across from the armor wall buy (the chalk-outlined armor purchasing section), the headphones are sitting on a small table. You’ll know that you’ve successfully interacted with the pair of headphones if you hear a high-pitched chittering noise — then you can move on to the next one.
You can find the first pair of headphones where the player icon is on this map:
Second pair of headphones
The second pair of headphones is found in the castle’s courtyard area.
In order to find the second pair of headphones, you want to buy the door on the right side of your spawn. After fighting your way up the alley and past the Speed Cola machine, you’ll need to buy the portcullis that’s gatekeeping you from the courtyard.
Run up the ramp and hook a right in the lower courtyard area. If turning right takes you to the door buy for the room with the Melee Machiatto machine, you went too far and need to double back toward the castle entrance.
In the small alcove overlooking the portcullis you just bought, you’ll find the second pair of headphones for the Easter egg.
You can find the second pair of headphones where the player icon is on this map:
Third pair of headphones
You’ll have to head deep into the castle to find the third pair of headphones.
The third and final pair of headphones is within the castle. That means you need to turn the cannon up on the parapets and fire it at the main hall before you can finish the music Easter egg.
Once you’re in the castle, you want to buy the door on the left. This will lead you into another room with a second door buy that funnels you down into the castle’s catacombs.
Once you reach this area, you’ll find a charred corpse sitting on a couch, right next to a table with a walkie talkie and a chessboard. If you look on the floor on the left side of the couch, you’ll find the final pair of headphones necessary to activate Kevin Sherwood’s new song.
You can find the third pair of headphones where the player icon is on this map:
The map is layered for different floors of the castle, so this picture will make a lot more sense once you buy the door to the catacombs.
After you activate the third and final headset, the easter egg song should automatically begin playing for you as you continue to fight off the zombie horde.
If you want to know what else was added to the zombies mode in the Black Ops 6 Season 1 Reloaded update, we have a summary of the patch notes for you here.
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