Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:3/8
K:Dmin
['D2 DFED A4 A=B', 'c=BABAG D2 DFED A4 A=B cBAdBd |1', 'de fdgfed ^c2 d2 e2 f2 Afed']  
X:1
L:1/8
M:3/8
K:Dmin
 D2 DFED | A4 A=B | c=BAdcB | c=BABAG || D2 DFED | A4 A=B | cBAdBd |1 A4 :|2 A4 de |: f2 Afed | 
 B4 de | fdgfed | ^c2 d2 e2 | f2 Afed | B4 de | fdgfe^c |1 d4 de :| d6 |]  