Oliver Tree, the California-born singer-songwriter and rapper known for tracks like "Life Goes On," "When I'm Down" and "Miss You," died in a helicopter crash in Rio de Janeiro, according to CNN Brazil.

The (alt pop) US musician and internet personality Oliver Tree was among six people who died when the helicopter he was travelling in collided with another in Brazil.

Although he had been making music for over 15 years, he didn’t find crossover success until the late 2010s with singles like “Hurt,” “Cash Machine,” and “Let Me Down” leapfrogging each other in popula...