Karvelas has released multiple personal studio albums that have had mild to big success.

In 2012, Alpha TV ranked Karvelas as the 13th top-certified composer in Greece in the phonographic era.

[1] Vissi has claimed that the first impression she had when she met Karvelas was a "hairy thing," but she was amazed by his talent and his sex appeal.

Karvelas' career as a singer started in 1985 when he released his first studio album under CBS Records Greece, San Diskos Palios (Like An Old Record) making two big hits, Despina and Kalokairines Diakopes (Summer Holidays).

Vissi has stated "Me and Nikos would like so much to do Demones in Athens and we spent all our money to produce it without knowing if it will have success".

Next year, the title of his gold album, O Pio Eftihismenos Anthropos Pano Sti Gi (The Happiest Man On Earth), ironically expressed Karvelas' mood.

This certain period, Karvelas moved to London permanently, having enough time and great inspiration to prepare his next steps.

In 2000, Karvelas from London shared his new hits with his fans in the album Ola Ine Endaxi (Everything Is Alright).

In January 2002, Mala’s premiere in "Pallas" theater took place, with Vissi playing the lead role.

As of 2024, Karvela’s collaboration with Anna Vissi, spans over 4-decades and remains as one of the most lucrative in Greek history, having achieved multi-million record sales (in the range of 15 and 20 million).

The couple later divorced, but have remained good friends to date, while Karvelas also has written the lyrics of most of Vissi's songs.

Later, the couple claimed that the policemen not only were overzealous, commanding and rude (using the word re), but also threatened them with their weapons.

Pania also mentioned later on TV that she does respect the police, but on the other hand the couple would not comply to "bullies", "cops" and "batsi" (the latter is a pejorative Greek word signifying policemen), whose insulting behavior rather "reminded of the Greek Junta".