He had hits in the 70's with Dream Weaver and Love Is Alive. I remember hearing both on the radio back when I was maybe 10 or 11 years old and I first got interested in rock music. He had Parkinson's and also dementia. Another good one is gone. RIP.
https://ultimateclassicrock.com/gary-wright-dream-weaver-dead/
https://ultimateclassicrock.com/gary-wright-dream-weaver-dead/