Rels B charms crowds at Sueños Music Festival with romantic reggaeton melodies

Born in Palma de Mallorca, Spain, Rels B is one of urbano music’s biggest rising stars. For his mid-afternoon debut set Saturday at Sueños, he attracted a crowd of hundreds.

The 30-year-old rapper and record producer, who started hot with his 2019 hit single “A Mí,” has included a unique Spanish flow into his music. Too many Spanish-language artists rely entirely too much on reggaeton beats and Latin trap bars these days — but not Rels B.

Many of his songs are accompanied by romantic...