Classic 'pre-movie countdown' beeps sound effect.
A mixture of choirs and synthesised sounds - one of many I have made for use as intros/backgrounds to give ...
A TR-808 beat at 120 BPM. Enjoy!
Three or four chords and a little melody (for the background, I guess). Another one with a tweaked (pitch-tuned etc.) ...
My file http://freesound.iua.upf.edu/samplesViewSingle.php?id=23874 now with drums (rather cheap ones, I know... ;))!