The only sextet rule is Clars rule for polycyclic hydrocarbons - which relates resonance structures to properties- note that naphthalene has one "aromatic" sextet in any one of its resonance structures. One prediction is reactivity- more sextets less reactive is the simple rule. There aren't any good internet references on this.
A sextet.
A group of six people is a sextet. A group of six babies born together is sextuplets.
A sextet.
Johnny Griffin Sextet was created in 1958.
Lyric Suite for Sextet was created in 1983.
Lee Morgan Sextet was created in 1957.
One sextet would contain six members of something.
Sextet - 1965 is rated/received certificates of: Belgium:KT
Hank Mobley Sextet was created on 1956-11-25.
Modern Jazz Sextet was created on 1956-01-12.
Sextet - 2007 is rated/received certificates of: Netherlands:16