Create a musical piece using the provided alphabetic structure and motif.
X:1
L:1/8
M:6/8
K:G
['G2 _BAG=F _B2']  
X:1
L:1/8
M:6/8
K:G
 D | G2 _BAG=F | _B2 cd>cd | G2 _BAG=F | _B2 c d2 d | d>c_BcAd | G2 G F2 =F | _B2 cdcB | A_BA G2 |]  