Terracini started out his musical career holding a permanent position of principal trumpet from 1975 till 1979 with the Australian Opera and Ballet Orchestra.
As a conductor he recorded ten classical albums with the Prague Symphony Orchestra.
Furthermore, he taught at different schools and colleges of higher musical education in Europa and China.
Especially his compositions for film and television gained popularity to the extent of his theme music for Australian TV series, Classical Destinations,[2] being collected onto Decca Records' Number 1 Classical Album of 2007.
2010 he composed two works for the International Trumpet Guild annual conference and conducted the gala concerts of that event.