 At the time, his sister Amalia Paoli was residing in San Juan (in the ward of Santurce) where she was running a singing school (Academia Paoli).Antonio conducted a few performances around the island and departed to sing at the Brooklyn Academy of Music, the Manhattan Opera House and the Metropolitan Opera House in Philadelphia.He had wanted to sing in the Metropolitan Opera House in New York, but apparently his competitor Enrico Caruso opposed this.