Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
M:4/4
K:D
['', 'fdec dAFA GABG E2 ed c2 B2', 'AG FAdA']  
X:1
L:1/8
M:4/4
K:D
 d2 e2 |: fdec dAFA | GABG E2 ed | c2 B2 Acec | defd A2 de | fdec dAFA | GABG E2 ed | c2 B2 Aceg | 
 fdec d2 AG :: FAdA FAdA | GBAG B2 AG | FAdA FAdf | eedf e2 AG | FAdA FAdA | GBAG B2 AG | 
 FAdf gece | dfec d4 :|  