Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:2/4
K:G
['B/c/d Gg e2 eg d>e dB A/G/F/G/', 'G>A BG', 'ed B/c/d e/f/g GF ED EC cA']  
X:1
L:1/8
M:2/4
K:G
 B/c/d Gg | e2 eg | d>e dB | A/G/F/G/ AB | G D2 A/B/ | cA d/c/B/A/ | Bd AB | G2 G>A :: BG cA | 
 BG G>A | BG dB | A/G/F/G/ AB | G D2 A/B/ | cA d/c/B/A/ | Bd AB |1 G2 G>A :|2 G2 G2 |: 
 g/f/e/f/ ga | gf ed | B/c/d e/f/g | GF ED | EC cA | BG d/c/B/A/ | BdAB |1 G2 g2 :|2 G2 G>A ||  