There should be 2 strophs (more or less -10pts)

each with 3 lines (10pts)

 first line repeats and third line is different [a a b] (10 points)

use of venacular "blues" language (droppin' da "g" at da end of da words an' such) (10pts)

 is it bluesy or  is it happy (gotta be bluesy) (10 points)

does at least one strophe kinda rhyme (10points)

The two strophes should each paint a part of the picture of why they's got the blues, but not tell a linear story (10 points)

30 points just for trying