Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:2/2
K:D
['B ADFD EB,B,B ADFD e2 df gfed', 'dg fga']  
X:1
L:1/8
M:2/2
K:D
 B | ADFD EB,B,B | ADFD e2 df | gfed eBBd | FD F/G/A d2 d :| F | dg fga beef | dg fga fdec | 
 dBAF EFGB | FD FGA d2 d :|  