He made his artistic debut in 1965, under the pseudonym of "Buddy", successfully imitating the voices of artists such as Bobby Bare, Joe Cocker, Gianni Morandi. In 1967 he participated in the Naples Festival with the song "Sulo ppe mme e ppe te", but did not reach the final.
In 1968 he consolidated himself as a singer by participating in that year's edition of "Un disco per l'estate", which was a radio and television show to promote the record market at that time of the year. In this event he participated with the song" Only U.S".
In 1970 he won the Naples Festival with his song Me ammore call me,while her song How beautiful she is highlight of the album "A record for the summer 1972". In 1974 he repeated the success in another compilation, this time with his song This is love.
Most of his hits were published in the 1970s. Between these Love is a dove (1970), White crystals happy (1971), I don't want to never fall in love (1972), A way my (1974), written by Claudio Baglioni and Anthony Coggio. All these songs have been presented in the different editions of the Sanremo Festival. Another of his outstanding participations in this festival was the one he gave in 1983 by presenting his song I fell in love with my wife written by Daniel Pace.
In 1987 he tried once again to participate in the Sanremo Festival with the song Losing love,but he did not participate in the selection. Ironically, the singer Massimo Ranieri participated with the same song the following year, winning the event. As a result of this fact Nazzaro expressed his dissatisfaction with the organization of the Festival in numerous television appearances.
He participated with the song at the Sanremo Festival in 1994, integrating the group Italy team formed for the occasion. In this event he performs the song An old Italian song.
In 1998 he plays the role of Sara de Vito's father (Serena Autieri) in the telenovela A Place in the Sun. In the following years he participated in other telenovelas such as Magic spell (2007) and A place in the summer sun (2009). In the latter he was part of the main cast.
On October 27, 2010 he participates as a guest The usual unknown of the Rai Uno channel. In the same year he participates as a guest in some episodes of Thousand Voices. The following year he obtained the direction of that program, in which he sang his songs.
Since November 16, 2011 she has been acting in musical comedy We who, the best years by Carlo Conti at the Salone Margherita Theater in Rome.
On 1 October 2011 it hosted the final of the new generation Cantafestivalgiro,the TV show created by Roberto and Mario Serafino's Seraphin Music Production.
Although the artistic life of Gianni Nazzaro is well known, the private one is still shrouded in mystery. What is known about him is that he has been married for many years to Nada Ovcina who has also become his manager.
However, thanks to a car accident in which the singer risked death, the two have reunited and never left since 2016.
Handsome and talented, Gianni Nazzaro achieved success in the seventies, triumphing at the Naples Festival with the song Call me ammore together with Peppino di Capri. Then the success of unforgettable songs like At the bottom of my soul, in my own way, I never want to fall in love, serene white crystals And Love is a dove.
With the fame came the love for Nada Ovcina, who became his manager and later wife. A passion, that between the Neapolitan singer and the woman, which ended abruptly when he left her for Catherine Frank, French model friend of Nada. The story ended shortly after, but since then the two had become the protagonists of a long judicial dispute, which also involved their children. Then in 2016 a very serious road accident in which the artist risked dying and returning to life, which prompted him to return with Nada.
According to what was revealed by the police, Ovcina has "specific criminal records". In fact, in 20017 she was arrested for having rplaced some clothes in the store by Gucci in Naples. The woman will now have to answer for the theft charge together with her son, the owner of the car in which Nada ran away after stealing the overboard inside the motorway restaurant.