Video was uploaded to the teasers channel of the chezzkids discord on March 23rd. Sourced from https://x.com/ChezzUpdates/status/177...
Cipher is axzqkeh mt gvr heqtbs. Key is AMOMENTATTHEONCEMEA (A MOMENT AT THE ONCE MEANING NOTHING NOW FOREVER STAINED), answer is allegro ma non troppo (cheerful but not too much).