Lightnin Hopkins changes "Lord" to "Jesus" in his classic version of Needed Time which is similar to "Lord, won't you come by here."

Lyr. Add: NEEDED TIME

Jesus, will you come by here (3x)

Now is the needed time (3x)

....... won't be long (3x) (help needed)

Now is the needed time (3x)

Jesus, won't you come by here (3x)

Repetition

http://www.youtube.com/watch?v=XNAXLtfQd7y

Eric Bibb sings Needed Time including verses "I'm down on my knees, down on my knees praying" and "If you don't be long, won't you come by here."
http://www.youtube.com/watch?v=5wjPMbaDdjE

EriC Bibb sings a with different emphasis-
http://www.youtube.com/watch?v=i3pvIhYlJRA&feature=related