We now know what happened to Jimmy Kimmel's longtime best friend... As we previously reported, the late-night talk show host lost his longtime Jimmy Kimmel Live! bandleader and pal Cleto Escobedo III, whom he has known for 47 years, on Tuesday. He was only 59 years old. That same day, Jimmy broke down in tears while delivering an emotional monologue to honor the musician, in which he recalled all their fond memories together. He said: "Cleto was the leader growing up. I was the sidekick; he was the star. Cleto played saxophone; I played clarinet. That's kind of all you need to know about us.