40 is the twenty-eighth studio album by Colombian salsa group Grupo Niche, released on May 29, 2020, through PPM Records.

[4] It features musicians Alfredo de la Fé, Hugo Candelario and Epifanio Bazán as guest artists, as well as Adriana Chamorro and Diana Serna, who provide backing vocals in "Búscame".

[5] The main vocals are performed by Álex Torres, Luis Araque and Alejandro Íñigo, replacing Elvis Magno, Yuri Toro and Arnold Moreno, who worked in the previous album and left the group after its release.

[6] The album is composed entirely by songs written by José Aguirre, unlike their previous efforts which were mostly composed by Jairo Varela, Aguirre said that "with this album we are giving the world the opportunity to continue enjoying a band that is the cultural heritage of Latin music, with an interesting mix of experienced musicians and a new generation that work in synergy, from all the fundamentals and parameters created by the great master Jairo Varela".

[16] Additionally, the single "Algo Que Se Quede" found moderate success peaking at number 14 in Colombia and achieving over 10 million streams in Spotify after few months of its release, its music video, directed by Andrés Baeza and filmed at Industria Creativa Colombiana Studios, has over 110 million views in YouTube as of 2022, being one of their most viewed videos in the platform.