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:4/4
K:G
['B2 AG', 'g3 a']  
X:1
L:1/8
M:4/4
K:G
|: B2 AG BG G2 | B2 AG (3Bcd gd | B2 AG BG G2 | (3ABc BG AGEG :| g3 a gede | gabg agab | 
 g3 a gedB | (3ABc BG AGEG | g3 a gede | gabg a2 c'a | b2 a2 gedB | Aeed edBA ||  