In the concert, the four can be seen tearing up before Barry calls all of them on the stage. The Quahog quartet sings "Ready to Take a Chance Again" before Manilow himself sings the chorus. They gradually agree that Barry Manilow's songs are good, one after the other, before breaking down together and agree that he is the best. Manilow appears as himself in Season 6, Episode 9: "Back to the Woods." At first, Peter Griffin, Cleveland Brown, Glenn Quagmire, and Joe Swanson talked badly about him and agreed to go to his concert as a joke. Here are some of the actual musicians who have guested on the show: Barry Manilow In its twenty-one years on-air, Family Guy has seen many celebrity guests over the years. RELATED: Voice Actor Mike Henry on Leaving "Cleveland Brown" Role: "It's been an honor" With Henry's voice, Cleveland Brown offered some of the series' memorable music numbers - including a cover of Journey's "Don't Stop Believin'." Seth McFarlane's brainchild, "Family Guy," has been on-air for twenty-one years now. To quote Henry himself: "persons of color should play characters of color." While opinions might be divided between the love of Henry's portrayal over the years and the need to address white actors portraying people of color. Recently, "Family Guy" made the headlines as Mike Henry, who has voiced Cleveland Brown, steps down from his role.