Tandas - Musicality
If you are serious about tango you need to start studying the music. That will influence and will inform how you dance. Try to be able to recognize ORCHESTRAS - band leaders and singers and songs.
Start with the classics:
Carlos Di Sarli, with singer Roberto Rufino
Carlos Di Sarli instrumental.
Juan D'Arienzo with singer Alberto Echague
Francisco Canaro with singer Roberto Maida
There are more: (band leaders)
Start building your music library very carefully so you only have LIST A tangos - Below you will find a list of great tandas, that might help you to pick the best tangos:
https://www.tangotunes.com/ (TO BUY) or itunes