American musician Oliver Tree has died in a helicopter crash that claimed the lives of six people. The artist, known for his song “Life Goes On,” was among those killed in the accident. Details surrounding the crash remain limited, but authorities have confirmed the total fatality count. The incident is currently under investigation to determine the cause of the crash. News of Tree’s death has prompted an outpouring of grief from fans and fellow musicians. Further information will be released as it becomes available from official sources.