Episode #3 of ‘The Constellations’ series, we talk to the artists and astronomer behind a smart phone app that turns the stars into live music. Available anywhere on earth, this app allows you to 'hear' the stars as they rise and set over the horizon in front of you.

Created by artist Michaela Gleave, composer Amanda Cole and programmer Warren Armstrong, A Galaxy of Suns connects audiences with the unseen motions of our galaxy, through the intimacy of an app, and the large scale spectacle of choral performance.