http://www.youtube.com/watch?v=-xF2vSKINK0
This is the video produced by NASA's AIM mission to explore Noctilucent Clouds. The sound track is the original Chromatics AstroCappella song "Noctilucent Cloud", written and recorded in 2007 at the request of the AIM mission. The song is not yet available on any CD but can be downloaded from our Website at http://www.astrocappella.com/