seguiremos adelante como junto a t seguimos y con fidel te decimos hasta siempre comandante ( we will carry on as we followed you then and with fidel we say to you until always commander ) the band inside had everyone singing a rousing version of hasta siempre , while the bands outside did not wait their turn in silence , but set up competing serenades designed to separate tourists from their hard currency sooner rather than later , on the theory that later was a mugs game .