Marco

Marco 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 that ceased to exist when Earth became politically united.

Marco was the group's guitarist. Along with the group's singer, Eskey Inglesei, the keyboardist, Piqué, and the percussionist, Tyg, Marco gave a performance at a San Francisco nightclub which was attended by T'Pol prior to her service on the Enterprise. SS ENT (Universal Chord)