Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
Q:1/8=100
M:3/4
K:D
['f2 fd fa', 'FD GB FA E2 Ee ed cA']  
X:1
L:1/8
Q:1/8=100
M:3/4
K:D
 f2 fd fa | be ed cA | f2 fd fa | Ad dA FD :| GB FA E2 | Ee ed cA | GB FB E2 | Dd dA FD :|  