Compose a piece by incorporating the set musical pattern in its alphabetical form along with the given melodic subject.
X:1
L:1/8
Q:1/4=180
M:4/4
K:Bbdor
['AG F6']  
X:1
L:1/8
Q:1/4=180
M:4/4
K:Bbdor
 D6 EF | E6 DE | B,4 A,2 DC | B,8 | A6 Bc | B6 AG | F6 E2 | AG F6 | A6 Bc | B6 AG | F6 E2 | 
 AG F4 E2 | D6 EF | E6 DE | B,4 A,4 | B,8 |]  