A deep heart-like pulse , made from Freesounds 212432 & 212446 #212446 is Wobbly Plastic Disk by Iwan Gabovitch under ...
highly processed remix of Freesound # 211670 by zagi2 ... http://www.freesound.org/people/zagi2/sounds/211670/
a bit of qubodup's plastic wobble processed , for original see Freesound #212432... Wobbly Plastic Disk by Iwan Gabovitch under ...
before-after T-Pain-ish remix
derived from ... http://www.freesound.org/people/Timbre/sounds/212042/ , second take has slight variations.
A remix of http://www.freesound.org/people/Erokia/sounds/211664/ with AlienSolo VST "Fatso bass" added , (+ other stuff).
Processed version of freesound #211880 by schmaedech , I've added brown noise hiss so the bassy pulses are more audible.
Highly processed remixes of Freesond #33711 ... http://www.freesound.org/people/acclivity/sounds/33711/
a processed remix of Fresound #211685 by oceanictrancer
Glitched bit of Freesound 211106 , a bit like the 1980s TV robot "Twiki".
Processed version of Freesound 210715 by keffystay
before-after remix of excerpt of ... http://www.freesound.org/people/qubodup/sounds/210594/