Vasilis Papakonstantinou
Vasilis Papakonstantinou ( Βασίλης Παπακωνσταντίνου ) ( born 21 June 1950 ) is a Greek singer known mostly for his work in Greek rock . 
<triplet> Vasilis Papakonstantinou <subj> 21 June 1950 <obj> date of birth <subj> Greek rock <obj> genre