Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
M:4/4
K:G
['G2 dG', '(3Bcd AF G2', 'dg g2', 'dg g2']  
X:1
L:1/8
M:4/4
K:G
 G2 dG BGdG | G2 dG GFDE | =F2 cF AFcF | =F2 cF FECE | G2 dG BGdG | G2 dG GFDE | =FGAd =fefd |1 
 cAFA G3 D :|2 cAFA G2 Bd |: g2 dg gfdg | g2 af gfde | =f2 cf Afcf | =fga^f gf d2 | g2 af gfdg | 
 g2 af gfde | =f2 a^f gfdc |1 (3Bcd AF G2 Bd :|2 (3Bcd AF G2 GF |: GA_B z cA=BG | G2 Bd gdBG | 
 =F2 EF cFAF | =F2 GF DEFD | GA_B z cA=BG | G2 FD GABc | dg g2 fdcA |1 (3Bcd AF G2 GF :|2 
 (3Bcd AF GABc || dg g2 aggf | dggf dcBc | d=f f2 gf f2 | de =f2 dcAB | dg g2 afgf | dggf dcBc | 
 de=fa g^fdc | (3Bcd AF G3 A | dg g2 aggf | dggf dcAc | defg agfd | gbag fdcA | dg g2 afgf | 
 dggf dcBc | defa gefd | cAFA G3 D ||  