Piqué was a human musician, a member of a group of four musicians who were best known for the song "Universal Chord". He was also a military veteran from a country in the European Hegemony that ceased to exist when Earth became politically united.
Piqué was the group's keyboardist. Along with the group's singer, Eskey Inglesei, the guitarist, Marco, and the percussionist, Tyg, Piqué gave a performance at a San Francisco nightclub which was attended by T'Pol prior to her service on the Enterprise. (ENT short story: "Universal Chord")