In the David Brubeck Sextet, there would be exactly six members.
A group of six people is a sextet. A group of six babies born together is sextuplets.
A sextet.
A group of six is called a sextet.
sextet
sextet
sextet
A sextet. TEEHEE!
A sextet is a group of 6 things. I think you are referring to Hexagon, which has 6 sides.
Septet
Quintet, sextet, septet, octet or nonet.
A group of six singers or six instrumentalists.
There are many different artists that will appear at the 2013 ROMP. Some notable performances will be made by the artist Merle Haggard and the group David Grisman Sextet.