Ángel Dior

In September 2022, Rosario debuted with the single “A I O”, obtained more than 40 million views on YouTube.^[4] Spanish singer Rosalía and American rapper Cardi B, included “A I O” in their presentations during the Louis Vuitton fashion show, and MTV Music,^[5][6] being sung along with Bad Bunny and Rosario at the Félix Sánchez Olympic Stadium.^[7] In October of the same year, he released his debut single "Piropi".^[8]

In 2023, Rosario participated in the fourth studio album Mañana Será Bonito by Colombian singer Karol G, in the song "Ojos Ferrari", in collaboration with Justin Quiles.^[9][10] In that same year he participated in the single "Tamo en nota [es]" in collaboration with the Puerto Rican singer Rauw Alejandro.^[11][12] In April 2023, he was featured in the song ''Wapae'' in collaboration with 6ix9ine, Lenier, and Bulin 47.^[13]

In 2023 Rosario obtained nominations at Premios Juventud in the categories: Best Dembow Song, Best Dembow Collaboration.^[1][14] In 2023 Rosario was nominated in the Heat Latin Music Awards, for the Musical Promise category.^[15][16]