/////Have you calculated what frequency that is?

Cycle length 2^49 seconds, i.e. 5.629 x 10^14.

Seconds in a year, 3.156 x 10^7.

So the time for one beat would be about 18 million years.

josepp, the rest of your "theory" is similar tabloid crap. Take it to the letters page of the Weekly World News./////

Okay, genius--here you go from NASA's own website:

http://science.nasa.gov/science-news/science-at-nasa/2003/09sep_blackholesounds/