Singer Juan Gabriel performs on stage at Nokia Theatre L.A. Live on September 18, 2014 in Los Angeles, California. (Photo by JC Olivera/Getty Images)Getty ImagesAlmost 10 years after his death, ​intimate details of legendary singer-songwriter Juan Gabriel’s story come to the screen through his personal archives, revealing the man behind one of Mexico's most prolific and beloved musical icons​.Netflix’s Juan Gabriel: I Must, I Can, I Will opens the vault on his life, drawing from videos, audio recordings, an ...