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,DE FED B,DE FED']  
X:1
L:1/8
M:6/8
K:D
 A,DE FED | B,DE FED | ^B,DE FED | EFE CDE | A,DE FED | B,DE FED | EFE CDE | EDC D3 :|  