★★★★☆ (4/5)
Artists like and Nella Kharisma became household names not through radio, but via YouTube recommendation algorithms. Their covers of old koplo (a fast, energetic subgenre) tracks got billions of views. Suddenly, a 55-year-old street vendor and a 17-year-old international school student have the same song stuck in their head. ★★★★☆ (4/5) Artists like and Nella Kharisma became