There's a cartoon by LutheranSatire on YouTube. The song in the cartoon is composed, written and performed by the cartoon author himself. Two versions of the same song:
https://youtu.be/FoU2o1iRN0U?t=80 (with base voice added)
The question is what was the "real world" prototype for that song and music? The artist or a particular song?
It sounds so familiar. The tone of voice, the chords progression and harmony. I'm sure there's an actual artist performing in that style. Just can't figure out who that is.
I've tried searching by sound sample on the net, and nothing came up.