Conversation so far:
when did Sakis Rouvas release his album?
in December 1998
What number was the album released by Sakis Rouvas in December 1998?
Sakis Rouvas sixth album
did something change with sakis rouvas sixth album released in December 1998?
Sakis Rouvas first with his new label
what label did sakis Rouvas release his sixth studio album?
Minos EMI
what is the sixth album's name released in December 1998 by the label Minos EMI?
Kati Apo Mena
what is one of the singles in the sixth album Kati Apo Mena released in December 1998 by the label Minos EMI?
Den Ehi Sidera I Kardia Sou“
Where did Sakis Rouvas perform the single Den Ehi Sidera I Kardia Sou in the sixth album Kati Apo Mena released in December 1998 by the label Minos EMI ?
Sakis Rouvas performed at the Virgin Megastore in Athens

Question: what happened next
Self-contained rewrite: what happened next Sakis Rouvas performed at the Virgin Megastore in Athens?