Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
M:6/8
K:D
['A AFA', 'fdd add', 'd cdB AFA BGB AFA DFA']  
X:1
L:1/8
M:6/8
K:D
 A | d2 A AFA | B2 A AFA | d2 A agf | ecA ABc | d2 A AFA | B2 A AFA | dfa efg | fdd d2 |] 
 !fermata!z | fdd add | bdd add | fdd add | gfg eag | fdd add | bdd add | gfg eag | 
 fdd"^D.C." d2 |] d | cdB AFA | BGB AFA | DFA dAF | GEE E2 d | cdB AFA | BGB AFA | DFA GEG | 
 FDD"^D.C." D2 |]  