Homer's Barbershop Quartet praised the "four-part harmony of hilarity [that] gets a flawless mop top modeling", complimenting the references to pop culture icons as being "right on the money". TV DVD Reviews commented on how the episode "hit all the right notes", and was pleased with Harrison's cameo. Despite the episode being a "leftover from last season", "The Washington Post" still applauded the episode's humor, saying, "Who cares? It's funny." "The Courier-Mail" found "Homer's Barbershop Quartet" an entertaining episode. Asserting that the series hit its peak with season five episodes such as "Homer's Barbershop Quartet", the "Sunday Tasmanian" called the episode a "first-class
...Sing for Very Important People increased popularity around 2006, when it was used in the closing credits of the film "Stranger than Fiction". In subsequent years, it was used in commercials for Drumstick ice cream in Australia, Smil chocolate in Norway, Cosmote in Greece, DC Shoes and Toyota, among others, as well as on the television show "Weeds", and as the theme for the podcast "Jordan, Jesse GO!". In 2015, the song was used in a commercial for Delta Air Lines ...Sing for Very Important People ...Sing for Very Important People is a 1970 album by The Free Design. It was the band's fifth album.