Quick definitions from WordNet (sextette)
▸ noun: a musical composition written for six performers
▸ noun: six people considered as a unit
▸ noun: a set of six similar things considered as a unit
▸ noun: six performers or singers who perform together
▸ noun: a musical composition written for six performers
▸ noun: six people considered as a unit
▸ noun: a set of six similar things considered as a unit
▸ noun: six performers or singers who perform together