From virtual duets to eHarmony, Natalie Cole sang America's soundtrack for love

Singer Natalie Cole, famous for hits like "This Will Be (An Everlasting Love)," died Thursday night. Cole was 65.The daughter of musical legend Nat King Cole -- who died when she was 15 -- Cole followed her father into the music industry. She performed his song "Unforgettable" as a virtual duet, singing along with her father's recording or, when performing live, projected video of his performance. Deceased musicians are resurrected with more innovative technology nowadays -- remember the Tupac h...