Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
M:4/4
K:D
['(3Bcd AF', '(3Bcd AF E2']  
X:1
L:1/8
M:4/4
K:D
|: D2 (3FED ADFD | Addc def z | D2 (3FED ADFD | (3Bcd AF E2 FE | D2 (3FED ADFD | Addc defc | 
 d2 cA (3Bcd AF |1 (3Bcd AF E2 FE :|2 (3Bcd AF E2 Ac |: d2 dB AF F2 | AFBF AF F2 | d2 dB AF F2 | 
 (3Bcd AF E2 Ac | d2 dB AF F2 | BF F2 ABde | faec d2 cA |1 (3Bcd AF E2 Ac :|2 (3Bcd AF E2 FE ||  