Conversation so far:
What was Sakis Rouvas's return to prominence and 21os Akatallilos?
In March 2000 Rouvas released his seventh album, 21os Akatallilos. The album and its first single, Andexa, reached number one on the charts.
What singles were on Sakis Rouvas's album 21os Akatallilos?
The album and its first single, Andexa, reached number one on the charts.
Did Sakis Rouvas's album 21os Akatallilos win any awards?

Question: What type of music was on this album?
Self-contained rewrite: What type of music was on Sakis Rouvas's album 21os Akatallilos?