YouTube user TheImpossibleOrchestraRemix Tv is turning popular songs into sad piano melodies. He's achieved this by tweaking the keys into minor territory and adding cinematic strings, giving usually-sunny songs like Despacito a morose feeling. Our fave of the lot is his cover of Post Malone & 21 Savage's Rockstar, which has been renamed Rockstar But It's The Saddest Song You Will Hear.
If you're suffering from the Monday Blues, we highly recommend you do not listen to the below.