Oliver Tree, the eccentric singer known for viral hits like “Alien Boy” and “Life Goes On,” has died at the age of 32 following a helicopter crash in Rio de Janeiro.

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.

CNN Brazil and local outlet Metróples reported that Tree, 32, was among those killed, citing confirmation from the Civil Police of Rio de Janeiro.