Compose a piece by incorporating the set musical pattern in its alphabetical form along with the given melodic subject.
X:1
L:1/8
M:12/8
K:D
['A2 A Bcd e2', 'a2 f gfe f2 d A2 A']  
X:1
L:1/8
M:12/8
K:D
|: Bcd Bcd c2 A A2 A | Bcd e2 f g3 efg | a2 f gfe f2 d A2 A | Bcd e2 c d3 d3 :: 
 a2 f gfe f2 d A2 A | Bcd e2 f g3 efg | a2 f gfe f2 d A2 A | Bcd e2 c d3 d3 :|  