I NEED HELP PLEASE!! SOMEONE KNOW THIS SONGS?

I'M NEW IN THIS, AND I DON'T TALK SPANISH, I MEAN, MAYBE A BIT BUT VERY BAD, SORRY. I LOVE ELETRONIC MUSIC, AND ALL THAT KIND OF MUSIC, AND SOME DAYS AGO A FRIEND SENT ME TWO VIDEOS, AND SHE ASKED ME IF I KNEW THIS GROUP..

HERE ARE THE VIDEOS: (JUST LISTEN THE SONGS, NOT THE VIDEOS, I KNOW THAT THE VIDEO IS FROM A MEXICAN SOUP, I SEE A COUPLE DANCING BUT NOTHING ELSE XD) Y WOULD LIKE TO KNOW THE NAME OF THE GROUP OR THE NAMES OF THE SONGS PLEASE!!!

play!
(ONE VIDEO)

play!
/SECOND VIDEO)