JAF - Juan Antonio Ferreyra, is the name of an argentinean singer-songwriter, born in Buenos Aires, in 1958. He started playing in La Maquina Infernal in the 1970s, mainly focusing on cover versions of Creedence Clearwater Revival , The Beatles and Ten Years After. In 1978 he formed La Banda Marron, where he took a turn into rock n' roll. In the 1980s he was a member of Riff, where he played with Pappo, and recorded a couple of records with them. Since 1989 he's been a solo artist.