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=120
M:2/2
K:Bb
['GABc d2', 'B2 f2 dfBf dfBf cfAf cfAf GBEB']  
X:1
L:1/8
Q:1/4=120
M:2/2
K:Bb
 F2 | BABc Bcde | fefg fdcB | GFGA GABc | d2 F2 F2 ED | EDEF GFGA | BABc Bdfb | fdcB GABc | 
 d2 B2 B2 :: f2 | dfBf dfBf | cfAf cfAf | GBEB GBEB | FBDB FBDB | EDEF GFGA | BABc Bdfb | 
 fdcB GABc | d2 B2 B2 z2 :|  