Sebastião Manuel Duarte Antunes mentor, composer, lyricist and performer of the band Quadrilha. Quadrilha is a Portuguese folk music band, whose style results from the fusion of elements of traditional Portuguese music and Celtic music. Formed in 1991 by Sebastião Antunes, the band is currently composed of Carlos Lopes (Accordion), Emiliana Silva (Violin), Hugo Ganhão (bass) and Mário João Santos (drums and percussion). Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.