“Forty seven is quite an age to make your international breakthrough, but on the 20th anniversary of his debut album, Rogê, this Brazilian singer-songwriter, born Roger José Cury, shows the value of persistence. At home, Rogê’s engaging, sandy vocals and choppy, soul-influenced guitar brought huge success, but in a tiny arena: a 10-year residency at the downtown Rio samba club Carioca da Gema. A wi”