Plot: Guests: --Jackie DeShannon (co-host) - ""Put a Little Love in Your Heart,"" ""When You Walk in the Room,"" ""Needles and Pins,"" ""What the World Needs Now"" & ""The Weight"" --Johnny Rivers (co-host) - ""Secret Agent Man,"" ""Seventh Son"", ""Poor Side of Town,"" ""Summer Rain"" & ""Tracks of My Tears. "" --Jackie DeShannon & Johnny Rivers close the show singing ""What the World Need Now"" --The Byrds (from 2-Feb-1973) - ""Mr