Michael McDonald, a five-time Grammy winner who is lead vocalist of the Doobie Brothers and a successful solo artist, had a child in Missouri with his middle school sweetheart when they were 14-years-old. ↧ Missouri man adopted as baby learns biological father is rock star ... McDonald, lead vocalist of the Doobie Brothers and a successful solo artist, had Michael Goessling when he was 14-years-old with his middle school sweetheart.