He is currently working with a new band formed in by Dennis Ward and Kosta Zafiriou (from Pink Cream 69), with Michael Kiske (ex-Helloween) and Kai Hansen (Gamma Ray / ex-Helloween) which is called Unisonic.
Kosta Zafiriou | Kosta Hakman | Kosta Perović | Kosta Pećanac | Kosta Nađ | Kosta Gouliamos |