Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
M:6/8
K:D
['dee fdd', 'eAA efe', 'aba gag']  
X:1
L:1/8
M:6/8
K:D
 dee fdd | edd fdd | dee fdd | edB B3 | dee fdd | edd fdd | def gfe | fdB B3 :| eAA eAA | efe edB | 
 eAA efe | dBA a3 | eAA eAA | efe edB | def gfe | dBA A3 :| aba gag | fgf ecA | aba gag | dcB A3 | 
 aba gag | fgf ecA | def gfe | dBA A3 :|  