Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
M:2/4
K:D
['d>B AF', 'fd fa']  
X:1
L:1/8
M:2/4
K:D
 d>B AF | A2 A2 | B/c/d/B/ AF | E2 E2 | d>B AF | Ad f>e | dB AF | D2 D2 :: fd fa | eg fe | fd fa | 
 f2 f>e | fd fa | eg f>e | dB AF | D2 D2 :|  