The riff is closer to PSY - Gentlemen, which TRBoom caught. But Chainsmokers also ripped PSY so… it at least dates it to around 2012 when that sound was completely inescapable.

I am happy to have helped, happier still to receive Gravy pics.

I found a Facebook video with part of it by searching for ’ “gravy is good” “gravy is great” ’ but no song name, bad quality, and online recognisers gave false positives. Here is the extracted sound, maybe it will help someone remember: https://voca.ro/1nEGIMlFFWIS

Mediterranean genes are fun like that