The current king, however, is Beto (Denny Caknan) with Los Dol . These "Happy Pop" songs are the soundtracks of TikTok. A 15-second snippet of a sad guy walking away or a girl fixing her hijab in the mirror, set to a lo-fi Indonesian pop beat, generates billions of views. These popular videos often start as audio tracks on TikTok before becoming full-fledged music videos on YouTube.