Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
M:6/8
K:D
['F2 E', 'ABd e2 f']  
X:1
L:1/8
M:6/8
K:D
|: F2 E EDE | F2 D DED | F2 E EFA | d2 e fdA | F2 E EDE | F2 D DED | F2 E EFA | BAB d2 d :: 
 ABd e2 f | d2 c B2 A | ABd e2 f | dBA B2 B | ABd ede | fdB BAF | AFE EFA | BAB d2 d :|  