Alessandro Aleotti, known as J-Ax, (born 5 August 1972 in Milan, Italy) is an Italian singer, former singer in the rap group Articolo 31 with his DJ Vito Luca Perrini (DJ Jad). He is the brother of Weedo (also known as Grido from boyband Gemelli DiVersi). On 6 May 2010, he created the band 'Due di Picche' with Neffa.
Federico Leonardo Lucia (born 15 October 1989 in Milan), known by his stage name Fedez, is an Italian rapper and singer. In 2011, he released the albums Penisola che non c'è and Il mio primo disco da venduto, released as free digital downloads. His first studio album, Sig. Brainwash - L'arte di accontentare, was released in 2013, and it debuted at number one on the Italian Albums Chart. The album, which spawned three singles, including the top ten hit "Cigno nero" featuring Francesca Michielin, was later certified 3 times platinum by the Federation of the Italian Music Industry.