Hi Shqiperia , how are you?. You can try this sites:
If your interest is folkloric music, here you can download as many albums as you wish from folkloric music of the 40´s, 50´s, 60´s, 70´s, etc:
:: Música Popular Mexicana ::
Here you can listen to the top 10 charts of latest mexican and latinoamerican hits in general:
Los 40 Principales - MEXICO
Here you can download some videos, and mexican rock, pop, tribal, cumbia, etc
Musica Mexicana - Taringa!
http://taringamp3.com/mexico/
Mexican tv channels for free:
Watch Mexico TV Channels Online | Mexico TV Online | Mexico TV Live
Hope this links are useful!!!!!!. Have fun in your search, if you need more help im here :D