Billie Eilish And Rosalía Finally Drop Their Long-Awaited Collab 'Lo Vas A Olvidar'

Last April, Rosalía was waiting for Billie Eilish to send her vocal contributions for their much-teased group effort. "I feel like the production, the sound design, is essentially done," she told Variety at the time, "so I just need that Billie maybe sends the vocals and so they send me the ideas that they aspire to add because we are there."


It might've taken a while to finalize, nevertheless the vocals were sent. The ideas were added. And right now, the finished product is out, complete with a gauzy, skeletal video that matches the mood of the song itself. That song is called "Lo Vas a Olvidar" also it features both Rosalía and Eilish singing in Spanish.


Featuring trademark sparse production from Eilish's brother/collaborator Finneas, "Lo Vas a Olvidar" finds both featured artists in their respective zones — a dreamlike plane where slight progression in mood and atmosphere are guided by powerful vocal moments from each.


The tune was first said by Rosalía sometime in 2019, and later that year, she told Billboard that her and Eilish had met in Los Angeles and worked with each other while sitting at a piano. Whenever I released 'Malamente,' Billie was one of the initial huge artists who shared the video. She has been there from the onset," Rosalía mentioned. "Then, While I was working with Frank Dukes in Los Angeles, Billie and I had a session with each other, completely independent from her other assignments. We wrote with her at the piano. We compiled a fantastic idea for a song and had an excellent time."


segment of that synergy is Eilish singing in Spanish. Whenever we were writing the song, I remember her saying something about, 'It should be in English language and I was like, no, no no, it should be in Spanish," Eilish told Zane Lowe today (January 21) right following the song dropped. "It's so beautiful."


"Lo Vas a Olvidar" will be featured on the soundtrack to HBO's hit series Euphoria, which returns for its second season later this year. Check it out above.