Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
M:2/2
K:G
['BG [DA]2', '[B,G]4 ([B,D-][DD]-)[DD]D E2 D2', 'BG [DA]2']  
X:1
L:1/8
M:2/2
K:G
 [Ae][Bg]- | [Bg]edB ded[dg]- | [dg]2 [dg]2- [dg]2 (ef) | gage dged | BG [DA]2 [GB]2 G(([Ae] | 
 [Bg]2)) [Bg]2 edBd | ed [dg]2 [dg]2 ef | gaba gedc |1 BG [DA]2 [GB]2 :|2 BG [DA]2 [GB]4 || 
 ([D-A] [DB]3-) [DB]2 [Dd]2 | [DB]2 [DA]2 [B,G]4 | ([B,D-][DD]-)[DD]D E2 D2 | DFAB A F3 | 
 ([D-A] [DB]3-) [DB]2 [Dd]2 | [DB]2 [DA]2 [B,G]4 | ([B,D-][DD]-)[DD]D E2 D2 | 
[M:3/2] DFAB A[GB]- [GB]4 ([GB-][AB]) |[M:2/2] [GB]4 [GB]2 ||"^A'" (([Ae]([B-f])) | 
 [Bg]2) [Bg]2 edBd | ed [dg]2 [dg]2 ef | g2 g2 edBA | dBAF [GB]2 (([Ae]([B-f])) | 
 [Bg]2) [Bg][Bg] edBd | ed [db]2 [dg]2 ef | gaba gedc |1 BG [DA]2 [GB]2 :|2 BG [DA]2 [GB]4 ||  