James O. "Donnie" Dacus (born October 12, 1951) is an American guitarist, vocalist, actor, songwriter, and producer. He has been a member of the rock bands Chicago and Badfinger. Early life. Dacus grew up in Cleburne, Texas. By the age of 14, he was teaching guitar in the local music store and playing with a local band he organized called The Chantels. Eventually, the band changed its name to The Shux and won the Battle of the Bands in Dallas, Texas. Dacus was subsequently managed by the Beard Brothers out of Fort Worth, Texas.
https://en.wikipedia.org/wiki/Donnie_Dacus