Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
M:4/4
K:C
['', 'DED AFA dcd AFD', 'B AFE'  
X:1
L:1/8
M:4/4
K:C
 .abc ||[M:6/8][K:D] TA | DED AFA | dcd AFD | AGF F2 E | AGF TF2 E | DED AFA | dcd AFD | AFE E2 B | 
 AFE E2 :: A | DED d2 d | edc d2 B | AGF F2 E | AGF TF2 E |1 DED d2 d | edc d2 B | AFE E2 B | 
 AFE E2 :|2 edc dcB | cBA Bcd | AFE E2 B | AFE E2 |]  