No quiero decirte nada
No vaya a ser que se te ponga
la carita colorada

I don't want to say a thing to you
Because your face could turn red

You can hear this letra at about 7:30 in the video below. (You'll enjoy the dancing, singing, and joking throughout, so I recommend watching the whole thing.) 

You Can Also Hear The Following Letras in Today's Video:

I Have What You Don't Have

I Thought It Was The Queen

Let's Dance Bulerías In Jerez!

Join me on the next Flamenco Tour to Jerez for a personalized flamenco vacation where we study bulerías in its birthplace with Ana María López and enjoy our own private workshop with Mercedes Ruíz. Find out more here.  

(This post helped me to translate the phrase 'no vaya a ser' in the context of the letra)