Hey guys just a quick update to keep the post consistent,
Some friends and users on Reddit mentioned thoses
Artists :

Almost ticks all the boxes. The beat is just more lounge oriented than Latin but still. He is kind of doing to flamenco/gypsy the same thing that that band did to Tango back in the days.

Also this :

Wich more bossa in it's feel

And also this :

 

I know Gotan Project very well but I doesn't know that You wanted something like this. This is Tango music.
Yeah I completly misunderstood You.

Here are similar artists to Gotan Project that I know.

Thievery Corporation

Tosca

Thunderball