Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/4
Q:1/2=110
M:2/2
K:D
['f f']  
X:1
L:1/4
Q:1/2=110
M:2/2
K:D
|:"^A""D" d a f f |"Em" e/f/e/d/"A" c A |"D" d a"Bm" f f |"Em" a g/f/"A" e2 |"D" d a f f | 
"Em" e/f/e/d/"A" c A |"Bm" d c/B/"G" g f/e/ |"A" c2"D" d2 ::"^B""A" c3/2 d/ e f | 
"Em" g f"A" e d/c/ |"Bm" d B"G" g a |"D" f2"A" e2 |"D" a/b/a/g/ f f |"Bm" d d B3/2 f/ | 
"G" g f/e/"Em" d/c/d/e/ |"A" e2"D" d2 :|  