Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
M:4/4
K:Dmix
['', 'c2 dc', 'fdcA c =f3 cfAf c=fag ^fdcA d'  
X:1
L:1/8
M:4/4
K:Dmix
 GA |: B3 d c2 dc | BG G^E D=E=FD | GABd c2 dc | BG AF DG GA | (3Bcd Bd c2 dc | BG G^E D=E=FD | 
 GABd c2 dc |1 BG AF G2 GA :|2 BG AF G ABc |: dg g2 dgBg | dgag fdcA | c =f3 cfAf | c=fag ^fdcA | 
 d g3 dgBg | dgag fdef | g2 agfd (3efg |1 fdcA GABc :|2 fdcA G2 GA ||  