@ptownfreddy About "Deliver de letter" - back in the old days, when people actually mailed each other letters, some people would put on the back of the envelope a big D, and next to it, in a column, LIVER, LETTER, SOONER, BETTER - a cute request to the mail carrier.
I always thought see, see rider was right (the next line is "see what you done done") - "rider" referring to her lover, who "rides" her during sex. Great recording - and Satchmo on cornet!
The middle girl backup singer is the great Darlene Love