Hozier, Lost Frequencies, Weeknd, Gwen, Lana, Jamie xx. Love all these songs
The Lost Frequencies song is nothing special, it's quite repetitive and just really simple in its structure. But why I love it so much and what I think made it so popular is that it evokes certain feelings/emotions in people and they are just touched by it. It always makes me think of being on the beach by the sea, feeling happy and peaceful watching the waves. It's also a very optimistic and hopeful song, it can motivate you when you're stuck in a difficult situation or feeling down. It's about hopes and dreams and that always resonates with people.