Compose a piece using the specified musical pattern based on the alphabet notation and provided melodic motif.
X:1
L:1/8
M:4/4
K:D
['f2 df', 'e faaf']  
X:1
L:1/8
M:4/4
K:D
 e | f2 df edBA | f2 df gbag | f2 df edBc | dBAF EFDe | f2 df edBA | Bdef gbag | f2 df edBc | 
 dBAF EFD :| e | faaf d3 e | faaf g3 e | faaf gfef | gfed BdAe | faaf d3 e | faaf g3 a | 
 bgaf gfed | Bdef g3 |]  