Nintendo sent out the following

 

Can you hear those drums, the twitching of that mask and a mischievous giggle? It can only mean one thing: the arrival of Skull Kid is finally at hand.
DLC Pack 3: Symphony of the Mask is now available for the Cadence of Hyrule: Crypt of the NecroDancer Featuring The Legend of Zelda game on the Nintendo Switch family of systems. It’s the dawn of the first day of your new adventure.
Tune in for a new story and use your rhythm skills, along with your tremendous courage, to overcome the threats you’ll face in Hyrule. Play as the mysterious Skull Kid, a character well-known for his appearance in the Legend of Zelda: Majora’s Mask game, and venture through a new map with new songs. All of this content is available to players who own the Cadence of Hyrule: Crypt of the NecroDancer Featuring The Legend of Zelda Season Pass DLC or those who purchase DLC Pack 3 separately in Nintendo eShop on Nintendo Switch for $9.99.
The Cadence of Hyrule: Crypt of the NecroDancer Featuring The Legend of Zelda Season Pass DLC is available now for $14.99 and will grant players access to all three DLC packs. This includes DLC Pack 1: Character Pack, which adds characters to the game’s cast, as well as new modes to challenge players; DLC Pack 2: Melody Pack, which lets you bop and battle along to 39 songs and remixes; and DLC Pack 3: Symphony of the Mask, which introduces a new story and map featuring the mischief maker Skull Kid.
A physical edition of the game, containing the complete adventure and all three DLC packs, will launch on Oct. 23 at a suggested retail price of $39.99. A digital bundle featuring Cadence of Hyrule: Crypt of the NecroDancer Featuring The Legend of Zelda and all DLC content is also available to purchase today in Nintendo eShop on Nintendo Switch.
For more information about Cadence of Hyrule: Crypt of the NecroDancer Featuring The Legend of Zelda, visit the game’s website

 

Will you be playing? You can see our review of the base game here