"The band was joined by Andrea Álvarez for "Picnic en el 4B", Richard Coleman for "No Existes", Fabián "Zorrito Vön" Quintiero for "Danza Rota" and "Profugos", Carlos Alomar for "Lo Que Sangra (La Cúpula)" and "Terapia de Amor Intensiva," and Gillespie for "Signos" and "Fue.