Genshin Impact released the music video of the storyline EP - "La vaguelette."Check it out:
Genshin Impact's storyline EP MV "La vaguelette" is now available.
This Storyline EP Promotional MV features "La vaguelette," the story OST produced by the HOYO-MiX team and debuted in Genshin
Impact's Version 4.2 "Masquerade of the Guilty." It is performed by French musical actress Cécilia Cara.
Source: YouTube