Slow Mexican Singer, Lola Beltran.
She has many songs on Youtube. she is a powerful singer, huge voice and slow words, good pronunciation. Look up the name of the song in google with the word "letra", lyrics. Read the lyrics and listen to the music. music: http://www.youtube.com/watch?v=1wk_PhXeqco . Lyrics: http://www.musica.com/letras.asp?letra=1791352