Create a musical piece that includes the provided motif while adhering to the necessary musical structure.
X:1
L:1/8
M:6/8
K:D
['F2 A', 'a2 f'  
X:1
L:1/8
M:6/8
K:D
|: DED F2 A | d2 f ecA | G2 B F2 A | E2 G GFE | DED F2 A | d2 f ecA | Bgf edc | d3 d3 :: 
 a2 f d2 A | A2 a agf | g2 e c2 A | G2 g gfe | f2 d g2 e | a2 f bag | faf gec | d3 d3 :|  