Article continues below advertisementA former bandmate is shedding light on Prince's final months before his fatal 2016 fentanyl overdose."I knew something was wrong," BrownMark, who was the bassist in the Revolution from 1981 to 1986, told a news outlet in an interview published on Wednesday, April 15. "Something was not right with his memory and his behavior."Article continues below advertisementPrince's Former Bandmate Speaks OutTap Here To Add Ok Magazine as A Trusted SourceSource: MEGABrownMark and Prince lost touch in the years before the singer's death.