Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
M:2/2
K:D
['D2 DF AF F2 BF F2 AFEF', 'edBc dBAF EFDg :|2 f3 e defe']  
X:1
L:1/8
M:2/2
K:D
 D2 DF AF F2 | BF F2 AFEF | D3 F ADFA |1 BFAF GFEF :|2 BFAF EFDg |: fAdf edBc | dedB ABde |1 
 fAdf edBc | dBAF EFDg :|2 f3 e defe | dBAF GFEF ||  