The 40th anniversary of the release of Alien in the US has just passed.We got into soundtracks after watching the Alien DVD where there is no dialogue, just the soundtrack.Here's some of our favourite TV and film pieces of sci-fi related musicDudley Simpson - Time Lord CourtBebe and Louis Barron - Once around AltairHans Zimmer - I'm going homeJerry Goldsmith - Alien main themeJames Horner - Stealing the EnterpriseDaniel Pemberton - Space fleetJohn Barry - Black Hole main title John Williams - The imperials marchMurray Gold - I am the DoctorBasil Poledouris - Klendathu drop