 He was also awarded the coveted “First Prize” at the conservatory for his achievement on performance examinations.During the same year, he became a member of the European youth Orchestra and played under conductors as Claudio Abbado and Yuri Simonof.Xanthoulis studied Advanced Theoretical Subjects and Composition in the Athens Conservatory with Menelaos Palandios, Diamantis Diamantopoulos and Pericles Koukos.