Complex sentence: For the winter season of 2003-2004, Vertis moved to Athens, Greece where he collaborated with Peggy Zina at club Apollon, while at the 3rd annal "Arion Awards" in 2003, Vertis won the award for "Best New Artist".
Split into simpler sentences: For the winter season of 2003-2004, Vertis moved to Athens, Greece where he collaborated with Peggy Zina at club Apollon. At the 3rd annal "Arion Awards" in 2003, Vertis won the award for "Best New Artist".