Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
Q:1/2=75
M:4/4
K:Dmin
['dfec A2', 'g2 gb']  
X:1
L:1/8
Q:1/2=75
M:4/4
K:Dmin
 A | dfec A2 A2 | c2 c2 egfe | dfec A2 Ab | agfe"^NB" d2 d :: z | f2 fa"^NB" g2 gb | 
 f2 fa"^NB" gece | f2 fa g2 gb | agfe d2 d :|  