The singer, who is performing with a pop quartet at the Carlyle, lends the entire cabaret enterprise a German Expressionist seriousness.

Their first musical endeavour was a pop quartet called Jolly Bean.

The Seekers are an Australian folk-influenced pop quartet, originally formed in Melbourne in 1962.

The Hush Sound, an indie pop quartet from Chicago, Illinois.

Mr. Harnar and a pop quartet give them their due in polished, somewhat muted performances.

Oh Darling is an American pop quartet, based in Lost Angeles, California.

The Four Tunes (also referred to as The 4 Tunes) were a leading black pop vocal quartet during the 1950s.

For example the Cheetah Girls, a Disney-branded pop quartet, have already released three hit albums and appear in their own line of Disney Channel movies.

These brothers also formed the pop quartet the McGanns, releasing the single "Shame About the Boy".

November 2002 - Played with the Icelandic band múm, a two men and two women baroque-techno pop quartet.