Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/16
M:2/4
K:D
['d2d2d2cd e2e2e2ge', 'd2d2d2 (de) f2f2f2ef g2g2g2(gf) e2e2e2(de) (fgaf) d2(af)']  
X:1
L:1/16
M:2/4
K:D
 af | d2d2d2cd | e2e2e2ge | c2A2 Bdce | d2d2d2af | d2d2d2cd | e2e2e2ge | dcBA Bdce | d2d2d2 :: 
 (de) | f2f2f2ef | g2g2g2(gf) | e2e2e2(de) (fgaf) d2(af) | d2d2d2cd | e2e2e2(ge) | (dcBA) Bdce | 
 d2d2d2 :|  