Technically the space has no sound. But just as the project Radio Astronomy puts it: "it correlates the transmission of audible information...and the radiated signals from planets, stars and other astrophysical objects. The work synthesises these two areas. The signals from planets and stars are converted into audio and then broadcast on-line and on-air."
We don't recommend meditating to music. Reason being that meditation by definition is absence of thought and sensory information being processed, whether it is visual or auditory like music.
But sitting down to meditate will certainly be easy after a stressful day when you are in that "mood". Feeling relaxed and lighter will automatically help you breathe out all worries and simply tune in. So ladies and gentlemen, this is what our universe sounds like: