When in Rome, do as the Romans do. When in Buenos Aires, do yourself a favour and contact Janis Kenyon. She loves meeting new people and is one of the kindest, most helpful people that you'll meet. https://jantango.wordpress.com/2017/05/10/look-me-up-when-you-visit-buenos-aires/
Thoughts on tango technique, politics and other aspects of la vida bailar by a well-travelled tango dancer and teacher.