Get the inside track from Roisin O’Connor with our free weekly music newsletter Now Hear This Get our free music newsletter Now Hear This Get our free music newsletter Now Hear This Barry Manilow is unsure whether his singing voice will ever be the same after undergoing surgery in December to remove a cancerous tumor from his lung. The “Copacabana” singer, 82, was forced to postpone several shows and his Las Vegas residency earlier this year to recover from the operation. He is set to kick off a summer tour later this month; however, in a new interview with Good Morning America, he revealed, “My voice, I don’t know whether it’s coming back. “I did my first sound check about a month ago, and I didn’t sound like me at all,” Manilow said. “I just couldn’t believe that it’s over.” He added that the discovery is “really upsetting because I don’t want to stop.” Barry Manilow underwent surgery in December to remove a cancerous tumor from his lung (PA) “I looked at my band, and …