Three Banx & Ranx remixes of "1+1" were then released; the first, featuring guest vocals from Israeli-French singer-songwriter Amir Haddad, was released on 13 July 2021.

[1] This was followed by a solo version on 23 July,[2] and, on 6 August, a Spanish-language remix featuring Sofía Reyes and Yandel.

[3] "1+1" is a "breezy",[4] summery track,[5] built on a dance-pop instrumental.

Amir) (Banx & Ranx Remix) Digital download and streaming – (Banx & Ranx Remix) Digital download and streaming – (feat.

Yandel & Sofía Reyes) (Banx & Ranx Remix)