Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
M:6/8
K:A
['A AGA', 'c cBc A2 B BAB EFG', 'G BGB d2 B cAA']  
X:1
L:1/8
M:6/8
K:A
 A,D | F2 F FEF | (D3 D)DF | A2 A AGA | (F3 F)Ad | c2 c cBc |1 (=G3 G)EF | =G2 G G^G=G | B3 d |: |2 
 (=G3 G)^GF | EFG ABc | (d3 d2) |: A | AGA E2 c | cBc A2 B | BAB EFG | AB=c ^c2 A | AGA E2 c | 
 cBc A2 B | BAB EFG | (A3 A2) :: D | GDG B2 G | BGB d2 B | cAA A2 c | BGG G2 D | GDG B2 G | 
 BGB d2 B | cAA ABA | (G3 G2) :|  