The Work Diary of 88rising’s Pan-Cultural Hitmaker

For this year’s Coachella festival, the music mogul Sean Miyashiro planned to produce a groundbreaking festival showcase for 88rising. His Los Angeles-based pan-Asian music company scheduled performances for Joji, a lo-fi Japanese crooner; NIKI, an Indonesian singer-songwriter; and Rich Brian, a viral Chinese-Indonesian rap star — as well as a label showcase featuring nearly 100…