RR EP

RR (stylized as RЯ or R∞Я) is a collaborative EP by Spanish singer Rosalía and Puerto Rican singer Rauw Alejandro, released on March 24, 2023. The project was announced on March 13, 2023, with details shared on social media. Rosalía and Alejandro had been rumored to be dating since August 2021 after being spotted together by paparazzi; they confirmed their relationship in September 2021. In May 2022, Alejandro mentioned working together in the studio, and Rosalía confirmed this in November 2022.

The EP's lead single, "Beso," was released on March 24, 2023, alongside its music video. The video features slice-of-life shots of the couple traveling, concert footage, and behind-the-scenes tour clips. It concludes with Rosalía wearing a Cartier engagement ring, revealing their engagement.

Musical collaborators include Dylan Patrice (synthesizer, bass guitar, piano, drums), Noah Goldstein (synthesizer, drums, drum machine), Abraham Mansfarrol (percussion), William J. Sullivan (background vocals), and Jake Miller (synthesizer). Technical contributors include Rosalía, El Zorro, David Rodriguez, Chris Gehringer, Manny Marroquin, Claude Vause, Daniella Leon, Jack Laiheugue, Lucas Glastra, Marius Van Mierlo, and Rémy Dumelz.

The EP marks a collaborative effort between the two artists, with plans to release material together announced as early as May 2022.