Marilyn McCoo & Billy Davis Jr. ‎– Nightsong ℗ 1977

Marilyn McCoo (born September 30, 1943) is an American singer, actress, and television presenter, who is best known for being the lead female vocalist in the group the 5th Dimension, as well as hosting the 1980s music countdown series Solid Gold. Since 1969, McCoo has been married to singer Billy Davis Jr. (born June 26, 1938 in St. Louis, Missouri) the founder and co-member of the 5th Dimension. She has a four-octave vocal range.