This is just a mix between "Intro" https://freesound.org/people/Soundscapes55/sounds/456384/ and "Heartbeats 61.wav" https://freesound.org/people/patobottos/sounds/369017/ with some reverb, tweaking of the treble, and a Doppler shift for the heartbeat. I require …

This was an experiment in audacity with some sounds I downloaded from this site. The initial idea was to build an electrical malfunction explosion, but I ended up …