Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:3/4
K:G
['GB/d/ g2 d>g (3:2:5b2 ga gf g>f', '(3g2 B2 c2 d>e (3:2:4dB G2 A2']  
X:1
L:1/8
M:3/4
K:G
 GB/d/ g2 d>g | (3:2:5b2 ga gf g>f | (3e2 c2 e2 g>f | (3:2:5e2 de dc B>A | GB/d/ g2 d>g | 
 (3:2:5b2 ga gf g>f | (3e2 c2 e2 g>f | ed/^c/ d4 | z2 d4 :: (3g2 B2 c2 d>e | (3:2:4dB G2 A2 B>c | 
 BA/B/ cA FA | (3G2 G2 B2 d>d | (3g2 B2 c2 d>e | (3:2:4dB G2 A2 B>c | BA/B/ cA FA | G2 G4 :|  