I found this link on the internet...interesting to see that 'open the door to your heart' is called 'walk right on in' in the report? on another site it said that tune was legally called ' Baby walk right in' is that true??
https://books.google.co.uk/books?id=TjkDAAAAMBAJ&pg=PA52&dq=darrell+banks&hl=en&sa=X&ved=0ahUKEwjarZT1l_vOAhVBKcAKHTjnDQUQ6AEIIjAB#v=onepage&q=darrell banks&f=false
https://en.wikipedia.org/wiki/Darrell_Banks