Dave and Ansil Collins were a Jamaican musical duo active during the 1970s. Their style was rooted in reggae, with a particular emphasis on the rocksteady subgenre. They are best known for their chart-topping hit "Double Barrel", which was characterized by heavy use of organ and an innovative spoken word vocal style, both of which became signature elements of their sound. The duo's work played a significant role in popularizing reggae music internationally, making them important figures in the genre's history.