Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
Q:1/8=120
M:4/4
K:C
['DFAB AFEF defe', 'ABde fd d2 edfd edBd']  
X:1
L:1/8
Q:1/8=120
M:4/4
K:C
[K:D]"^2" DFAB AFEF | defe dBAF | DF F2 BF F2 | E3 F EGFE | DFAB AFEF | defe dBAf | efdBAFdB | 
 AFEF D2 z2 :: faab afef | afef dB B2 | ABde fd d2 | edfd edBd | ABde fd d2 | edfd edBd | 
 ABdBAFEF | AFEF D2 z2 :|  