When NASA launches the space shuttle, mission control wakes up the astronauts every morning with a song. But that's not the only music heard in outer space. The astronauts often bring instruments with them to play. We asked Richard Paul to find out what it's like to rock out in space.
Astronaut Ed Lu plays Beethoven's "Moonlight" Sonata on board the International Space Station in 2003.
(Video courtesy of NASA)