Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
M:6/8
K:D
['(d>cB) (ABG) F A2- A2']  
X:1
L:1/8
M:6/8
K:D
 f/e/ | (d>cB) (ABG) | F A2- A2 B/c/ | (df/b/) | (adf) | e3- e2 (f/e/) | (d>cB) (ABG) | 
 F A2- A2 B/c/ | (d>ef) (eBc) | d3- d2 f | | (g>ab) (ade) | f a2- a2 f | (d>cB) (Adf) | 
 e3- e2 (f/e/) | (d>cB) (ABG) | F A2- A2 a/g/ | (f>ed) (e<Bc) | d3- d2 |]  