Barbershop music countertenor, the baritone resembles the Heldentenor or lyric baritone in range and a tenor in tessitura, and the lead generally corresponds to the tenor of classical repertoire, with some singers possessing a tessitura more similar to that of a high baritone. Barbershop singing is performed both by men's and women's groups; the elements of the barbershop style and the names of the voice parts are the same for both. The defining characteristic of the barbershop style is the "ringing" chord, one in which certain overtones of the four voices reinforce each other, sometimes so strongly that the overtone is perceived
...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.