George Curtis “G.C.” Cameron is an American soul and R&B singer. Perhaps best known as the lead singer of supergroup The Spinners on their 1970 hit It’s a Shame, co-written and produced by Stevie Wonder and for his 1975 hit It’s So Hard to Say Goodbye to Yesterday. G.C. is credited with having “six different voices : He was known for his ability to sound like other artists, such as Smokey Robinson, Curtis Mayfield, The Isley Brothers, Willie Hutch…