Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
M:4/4
K:G
['[dD]2 [dD][dD]', 'gg g2']  
X:1
L:1/8
M:4/4
K:G
 DG | [BD]2 BB B2"^a." G2 | [AD]GFE DFAB | [cE]2 [cE][cE] c2 F2 | AGFE DF A2 | 
 [dD]2 [dD][dD] [dD]2 [dD]2 | e2 f2 g2 e2 | d2 c2 (3(BcB) A2 |"^b." GGGG [GG,]2 ::"^c." Bc | 
 [dD]2 [dD][dD] [dD]2 e2 | dcBA G2 [BD]d | [gB]2 gg g2 g2 | agfe d2 B2 | c2 aa aa a2 | 
 B2 gg gg g2 | B2 cd e2 f2 | gdef [gB] z :|"^Var:""^a." FA ||"^b." G3 G ||"^c." (3(ABc) |]  