Astor Piazzolla - Libertango
Libertango is a composition by tango composer Astor Piazzolla, recorded and published in 1974 in Milan. The title is a portmanteau merging "Libertad" (Spanish for liberty) and "Tango", symbolizing Piazzolla's break from Classical Tango to Tango Nuevo.
For more:
http://www.melhoresmusicasclassicas.blogspot.com