A central figure in the Southern California rock scene of the 1970s, he later had a regular role on the TV show “Nashville.”

Souther was close friends with the Eagles and helped write some of their many hits, including “Heartache Tonight” and “New Kid in Town.”

JD Souther, the singer and songwriter who co-wrote songs with the Eagles and Linda Ronstadt, has died. He was 78. Souther died peacefully at his home in New Mexico, according to his rep. No cause of death was given. He was about to embark on a tour with Karla Bonoff.

JD Souther, a songwriter whose collaborations with The Eagles and Linda Ronstadt helped define the country rock sound of the 1970s, has died at 78.

Sept. 18 (UPI) -- John David "JD" Souther, who was well known for his Eagles collaborations, has died. He was 78 years old. Souther, who helped pen the Eagles' "New Kid in Town," "Best of My Love" and "Heartache Tonight," died "peacefully" at his home in New Mexico on Tuesday, according to an obituary posted to his website.

Singer, songwriter and actor who wrote music for legends such as the Eagles and Linda Ronstadt has died. JD Souther was 78. A representative for the entertainer said that he died peacefully at home in New Mexico, but no cause of death was given, according to Variety.