Lets share a top 5 of bands from your country.
You can add another countries top 5 that you like.
My humble opinion from Argentina (Last 30 years) is:
1- La Renga
2- Patricio Rey Y Sus Redonditos De Ricota
3- Soda Stereo
4- Pappo's Blues
5- Los Piojos/Divididos
Spinetta is really good, but I don't like his music too much.