A helicopter collision over Rio de Janeiro, Brazil, on Sunday morning resulted in the deaths of six people. Confirmed among the victims is American alternative musician Oliver Tree, according to local authorities and reports from The Guardian. The incident occurred in the Recreio dos Bandeirantes neighborhood. One of the helicopters involved was carrying five individuals at the time of the crash. Details surrounding the cause of the collision are currently under investigation. Authorities are working to identify the other victims and provide support to their families. This incident marks a tragic loss for the music community and raises questions about aviation safety in the region.