Oliver Tree, the California-born singer-songwriter 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.

At least six people were killed after two helicopters collided midair and crashed in Brazil’s Rio de Janeiro on June 14.

He wrote: "It pains me so so much along with so many people im sure to read about the loss of Oliver Tree. "We travel the world at such risk away from our familys [sic] to be able to achieve the amoun...