- What we know about fatal Brazil helicopter crash; singer Oliver Tree among 6 passengers NBC News
- American singer Oliver Tree listed aboard helicopter involved in fatal midair collision in Brazil CNN
- Oliver Tree’s death, shocked fans and the pain of collective grief Yahoo
- Singer Oliver Tree presumed dead after helicopter collision in Rio de Janeiro, Brazil Fox News
- Melanie Martinez Pays Tribute to Ex-Boyfriend Oliver Tree: ‘I Know You’re Making the Angels Giggle’ Rolling Stone