Compose a piece by incorporating the set musical pattern in its alphabetical form along with the given melodic subject.
X:1
L:1/16
M:4/4
K:C
['B3 A G3 G']  
X:1
L:1/16
M:4/4
K:C
 e3 d | c4 G3 F E2c2 BB c2 | d4 A8- A2c2 | B3 B B3 A G3 G A3 B | c4 (e4) c4 | e3 d | 
 c4 c4- c2c2 BB c2 | d4 A8 c4 | B4 B3 A G3 G A2B2 | c4 (e4) c4 |]  