Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:2/2
K:G
['[G,D]2 A[Dc] (BA)[G,G]B', '[GB]2 d3 e f2']  
X:1
L:1/8
M:2/2
K:G
|: [G,D]2 A[Dc] (BA)[G,G]B | A(G[FA]D) G2 [GB]2 | [G,D]2 A[Dc] (BA)[G,G]B | A([GA]FD) G2 [GB]2 | 
 [G,D]2 A[Dc] (BA)[G,G]B | A([GA][FA][DA]) G2 [GB]2 | [G,D]2 B[Dc] (dB)[G,G]B | A(GFD) G2 [GB]2 :| 
 d3 e f2 df | (ed)^cA d2 [Dd]2 | (AB)cA (BA)GB | A(GFD) [G,G]2 [GB]2 | d3 e f2 [Dd]2 | 
 e2 ^c2 d2 [Dd]2 | (AB)[Dc]A (BA) [G,G]2 B | A([GA][FA][DA]) [G,G]2 [GB]2 ||  