In 1965 he made a proposal to the Secretary of Culture of the Municipality of the City of Buenos Aires. One of the most popular types of tango is the Argentine tango. Actually, argentine tango is the root of all types of tango. In 2014, Hawaiian dance teachers Brett and Jennifer Griswold danced the Argentine Tango for an unbelievable 38 hours, 30 minutes. Though based on Argentine Tango, Finnish Tango is a genre in its own right, with a distinctive style and traits that have earned their own heritage.