[1][2][3][4][5] His performances were noted for their inclusion of a repertoire of songs interpreting varied genres of Pop, Rock, House, and acoustic in Arabic, English, French, Spanish, and Italian.

He sang Tina Arena, Chris De Burgh, Alessandro Safina, Cheb Khaled, Akram Sedkaoui, Amel Bent, Nadia, Yves Larock, Karl Wolf, Massari and Hot Banditoz.

In an interview with a local Tunisian magazine Le Temps, Nader describes when he first defied himself to become a singer, while watching TV with his father he spurted out that "One Day You Will See Me Out There"[6] Guirat realized that acoustic and pop rock genres were more of his style when he learnt guitar at 14.

In 2009 Guirat released his début single 'L’Ange Perdu' (The Lost Angel), a reprise of an Arabic score by singer/composer Marwan Khoury, performed in French.

[13] He financed the project and collaborated with music arranger Michel Fadel and 'The National Symphony Orchestra of Ukraine', where the song video was shot.

The two young artists recorded the single written by fellow Tunisian musician Zaher Zorgati with arrangement and realisation by Kais Melliti.

[19] For the shooting of the music video, Arab and Tunisian media, including Radio Sfax with their star host Karim Qutatah, were present to cover the production commemorating the revolution.

[26] Promoting 'The Jasmine's Calling' on Tunisian Radio station, Jawhara FM Guirat talked about his future plans of moving to Paris, France which is to be his new permanent residence.

[27] Nader received a joint award from the Tunisian radio station Jawhara FM for best song of the year for 'L'Ange Perdu'[15] as a result of an online nationwide survey.