He continued his studies at Berklee College of Music in Boston, USA, majoring in arrangement.

[4] In 1999, Theofanous put together boy band ONE who became very popular in Greece and Cyprus, reaching platinum sales.

George Theofanous has composed three Cyprus entries, debuting in 1992 with singer Evridiki and the song "Teriazoume" which placed eleventh.

He and Evridiki were reselected in 1994 with the song "Eimai Anthropos Ki Ego" and finished once again at eleventh place.

Finally, CyBC selected Theofanous and his boy band ONE for the 2002 with the song "Gimme" which finished at sixth place.