Libertango is a composition by tango composer Ástor Piazzolla, recorded and published in 1974 in Milan. The title is a portmanteaumerging «Libertad» (Spanish for liberty) and «Tango», symbolizing Piazzolla’s break from Classical Tango to Tango Nuevo. Ástor Piazzolla, recorded and published Libertango in 1974 in Milan, symbolizing his break from Classical Tango to Tango Nuevo.