Construct a musical piece using the designated motif and sticking to the alphabetical form presented.
X:1
L:1/8
M:2/2
K:D
['d2 f2']  
X:1
L:1/8
M:2/2
K:D
 A2 |"D" Adcd"G" Bdcd |"D" Adcd"G" Bdcd |1"D" Adfa gfed |"A7" c2 e2 e2 :|2"D" Adfa"A7" gece | 
"D" d2 f2 d2 :: fg |"D" afdf afba |"Em" gfef"A7" geag |1"D" fdAd fdgf |"A7" edcB A2 :|2 
"D" fafd"A7" egec |"D" d2 f2 d2 :|  