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:2/4
K:D
['B2 B>A GE EG/E/', 'BG AG']  
X:1
L:1/8
M:2/4
K:D
 B2 B>A | GE EG/E/ | DG G/F/G/A/ | BA Ad | B2 B>A | GE EG/E/ | Dd dB | AG G2 || BG AG | BG AG | 
 Bd- dB | AG A2 | BG AG | BG AG | Bd dB | AG G2 ||  