Pereza is composed by the guitarrist Ruben (ex Buenas Noches Rose) and the bassist Leiva (ex Malahierba). In their concerts they play with another guitarrist called Pitu and a drummer called Rober. They have released six albums: "Pereza", "Algo para cantar", "Animales", "Los amigos de los animales", "Aproximaciones" and "Aviones".