[2] In 2007, Antonio wrote and recorded the theme-song for the Żgħażagħ Ħaddiema Nsara annual concert Strummin' Home entitled 'Keep on Strummin', which had Errol Cutajar singing the lead vocal accompanied by the ŻĦN Symphonik Choir.
[3] Antonio was, between 2007 and 2011, one of the members in the ŻĦN Symphonik rock band, which organised non-profit concerts to raise awareness on a variety of social issues.
[12] He also wrote and recorded another song for the ŻĦN Symphonik choir called 'The Language of Music', which is sung by Melanie Saliba,[13][14][15] and participated in the concert Akustika 3, held at the Saint James Cavalier.
[5][23] On Friday 4 June, he performed with Justin Galea at Għanafest 2010, an annual Mediterranean folk music festival organised by the Malta Council for Culture and the Arts,[24][25] and in summer he collaborated with his brother Carlo on the closing song for the television series 'Il-Prinċep tal-Warda Bajda', produced by Foxy Nixy and broadcast every Friday afternoon on ONE TV.
Antonio is also the founding member of Mistura, which is a blues-progressive rock band he formed with Malcolm Bonnici.
In 2010, he again participated with two songs: one entitled 'Bażar'[34] sung by Justin Galea and another with Tale Kwali called 'Sur Wara Sur'.