Collectiva is a London-based jazz ensemble formed in the early 2020s. Comprising Sarah Wackett (flute), Allexa Navas (alto saxophone), Poppy Daniels (trumpet), Viva Msimang (trombone), Luisa Santiago (keyboards), Alley Lloyd (bass), Lilli Elina (percussion) and Lya Reis Guerrero (drums, percussion), the collective blends Latin, African and funk influences with modern arrangements, creating a fusion they call "tropical jazz".jazz tropicaliente". Their first single, "Under The", written in collaboration with jazz pianist Maria Grapsa, was released in April 2021, followed by "How Do You Like Your Ladies?" (2022), then "Soy La Que Soy" and "Eero" in 2025. In December 2025, the group releases its first EP, Collectiva.