Symphony of Science - 'The Case for Mars' (ft. Zubrin, Sagan, Cox & Boston)

Symphony of Science - The Poetry of Reality (An Anthem for Science)

Symphony of Science - 'The Unbroken Thread' (ft. Attenborough, Goodall, Sagan)

Symphony of Science - 'Our Place in the Cosmos' (ft. Sagan, Dawkins, Kaku, Jastrow)

Symphony of Science - 'We Are All Connected' (ft. Sagan, Feynman, deGrasse Tyson & Bill Nye)

Carl Sagan - 'A Glorious Dawn' ft Stephen Hawking (Symphony of Science)

Symphony of Science - 'The Big Beginning' (ft. Hawking, Sagan, Dawkins, Shears, Tyson)