World-renowned tenor Andrea Bocelli has shared a beautiful version of the 1940s song “Mamma,” in honor of his own mother and a brave decision she made six decades ago. When doctors advised her to terminate her unborn baby due to their fear he would have a disability, Edi Bocelli refused. The tenor’s gratitude and reverence can be felt in every sweet note of the song. Sharing “Mamma” on YouTube ahead of this year’s Mother’s Day is a song that also features on his 2008 album, “Incanto.” In honor of his mother, Bocelli wrote in the description of the video: “She who, through divine grace, lives the generous mystery of birth, the sacred plan of giving shape and consciousness to clay.” Born in Tuscany in 1958, Bocelli, now 62, struggled with poor sight from birth. Later diagnosed with congenital glaucoma, he went completely blind at 12 after an accident at a football …