Giovanni Costello is an Italian singer, pianist and composer, best known for the TV show The Voice of Germany. Giovanni Costello was born in Perugia (Umbria/Italy). He studied music at the Perugia Conservatory, graduated with a diploma and then devoted himself to teaching composition in Milan. Giovanni Costello gave i.a. Concerts with the Symphonic Orchestra of the Conservatory in Perugia and the Accademia Chigiana in Siena. He has performed at numerous festivals, including the Music Nations Music Festival for chamber music in Italy and the Vienna Musikverein Festival. He has also played, for example, at the Sanremo Festival with Mino Reitano and Paolo Mengoli, the Giro Festival and Umbria Jazz. In the first season of the successful talent show The Voice of Germany, Giovanni Costello made it onto Xavier Naidoo's team. Together with Rüdiger Skokzowsky he interpreted the song "What a Wonderful World". Under the leadership of Xavier Naidoo, the band project Sing um dein Leben (short: SUDL) was created, in which 14 of the 17 singers of the "Xavier" team joined forces to record the album of the same name. Giovanni Costello and Rüdiger Skokzowsky sang the German-Italian duet "Du bist da für mich". Another album by the band called "Es geht weiter" followed, on which the singer was represented with the song "Sexy, Fast and Furious". As a permanent member of the band SUDL, Costello appeared in various concerts of the Xavier Naidoo tour Bei meine Seele in the summer of 2013. Giovanni Costello has been giving regular concerts with the SWR Big Band since autumn 2013. So they played i.a. 2013 at the Baden-Württemberg State Jazz Festival in Ehingen, 2014 on the New Year's Tour together with Götz Alsmann, 2014 at the Opera Festival in Heidenheim, in the same year at a SWR TV live broadcast from Neuwied, 2015 at the New Year's Concert in Mainz - also with Live broadcast; In 2016 they gave the New Year's concert in Baden-Baden and the following year they were jointly responsible for the musical accompaniment of the press ball in Berlin.