Due to overpopular demand for this sound effect, I decided for myself that it is indeed too much of a hassle having to convert it and then download it. Instead, I've opted for a link to the infamous sound effect, as here:
Give credit if used.
Also, for those of you that want to play this sound effect on an instrument, I think that these are the notes (this is laid out for piano, but it can be transferred to other instruments):
Treble: E flat | C | F sharp Bass: E flat | C | B | (while still playing F sharp in the treble, play a G in the bass after 3 beats)
Edit: It's OVER 800000 VIEWS!! HOW HAS THIS VIDEO BECOME SO POPULAR?! Edit 2: HOLY SH*T - THOUGHT CATALOG LINKED TO MY VIDEO!