15. Hosts: Marilyn McCoo & Billy Davis Jr.

Marilyn McCoo & Billy Davis Jr. (hosts) - ""You Don't Have to Be a Star to Be in My Show,"" ""Sad Eyes,"" ""You Got Me Running"" & ""Just the Two of Us"" --Heart (on film) - ""Check It Out,"" ""Keep Your Love Alive,"" ""Little Queen & ""Barracuda"" --Gladys Knight and the Pips (on film) - ""I've Got to Use My Imagination"" --Dave Mason - ""We Just Disagree"" & ""Let It Go, Let It Flow"" --Boz Scaggs (on film) - ""Lowdown,"" ""Lido Shuffle"" & ""Balloons""