J.D. Souther is an American singer-songwriter, musician, and actor, best known for his influential role in the Southern California rock and country-rock scene of the 1970s. He collaborated closely with artists like the Eagles, Linda Ronstadt, and James Taylor, contributing as a songwriter and performer. Souther's music blends rock, country, and pop, marked by smooth vocals and introspective lyrics. In addition to his solo career, he has worked extensively behind the scenes, co-writing several hit songs that helped define a generation of American popular music.