"One & Only Love" is a song by award-winning singer and performer, Rozzy, in collaboration with Tanzanian bongo flava recording artist and dancer, Diamond Platnumz. The song was released in 2020 by Sierra Leone's biggest entertainment company, Kabaka Multimedia Entertainment (KME). With its cool tempo and smooth rhythms, "One & Only Love" narrates a successful love story where both couples are committed to each other.