Nebulossa is an electropop duo hailing from Ondara, Spain. The group consists of singer María "Mery" Bas (born September 18, 1968) and keyboardist/producer Mark Dasousa (born January 2, 1974).

Their victory at the Benidorm Fest 2024 on February 3, 2024, with the song "Zorra", secured their position as Spain's representatives at the Eurovision Song Contest 2024.

Bas and Dasousa share a marriage of over two decades and are proud parents of two children. Nebulossa was formed in 2018, with the name of the group drawing inspiration from nebulae, a reference stemming from their visit to an astronomical observatory during a trip to Port Ainé. The addition of the double S in their name serves as a symbolic nod to the Valencian and Catalan languages, where such spelling is prevalent.

In 2022, as a trio alongside Ophelia Alibrando, they partook in Una voce per San Marino, San Marino's preselection contest for the Eurovision Song Contest 2023, though they did not progress beyond the audition stage with the song “Anoche” . However, Nebulossa's participation in Benidorm Fest 2024, Spain's selection event for Eurovision 2024, with their song "Zorra”.

Nebulossa's song exudes a rhythmic pop vibe infused with a nostalgic 80s essence, amplified by the provocative presence of background dancers sporting suspenders. Lead singer Mery complements the music with her captivating appearance and seductive, sultry voice, aiming to entice the audience.

While the song may seem unconventional for Spain, its catchy nature ensures it will make waves, particularly as a potential summer hit in the Mediterranean region. With its blend of retro charm and contemporary appeal, Nebulossa's entry promises to leave a lasting impression on Eurovision audiences.