Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
Q:1/8=50
M:2/4
K:D
['', 'FA Af f/e/d/B/']  
X:1
L:1/8
Q:1/8=50
M:2/4
K:D
 F/E/ |:"G" DF FA | Af f/e/d/B/ | AF/A/ dF |"D" E3 F/E/ |"G" DF FA | Af f/e/d/B/ | Ad"D" e>c |1 
"G" d3 F/E/ :|2 d4 |:"C" BB Bc | d2 dc/B/ |"G" AF/A/ dF |"D" E3 F/E/ |"G" DF FA | Af f/e/d/B/ | 
 Ad"D" e>c |1"G" d4 :|  