Retrieved 14 December 2015. ↑ Archived at Ghostarchive and the Wayback Machine: "Headlong-Episode 5-Fin". YouTube. ↑ "Julio Voltio and Residente (Calle 13) Denounce Police brutality with Two New Songs". Retrieved 14 December 2015. ↑ "Voltio lanza documental sobre su experiencia en prisión".