In Gabriel Rios' Cover of Porque Te Vas the last 22 seconds feature a melody that I have heard before lots of times on the radio before 2000, in a full 2-3 minute song, from what I assume was the 70s/80s.
It features that bass(?) melody as the beginning of a verse, and a single cymbal hit at the end of verse. The entire song was instrumental. There were little or no electronic instruments, and it felt rather old-timey or western-y (this is rather hard to describe, I can totally see this as a soundtrack piece for a western, and the instruments used would be approriate for that).
That bit mentioned is not just a continued instrumental part of the main melody, which is similar, but not the same (which would be my guess as how this was added as a gag as the outro of this song).
Running this bit through shazam/soundhound only returns the same song again, sadly.