Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:2/4
K:G
["G2 Ac |{c} B2 ce dc'fa g/f/g/a", '|{g} fd', 'd2 d2', 'GG .d(dcB) .e(edc) BAGF G2 G2 (GB).d.g', 'd2 d2']  
X:1
L:1/8
M:2/4
K:G
 G2 Ac |{c} B2 ce | dc'fa | g/f/g/a gg | GB/G/ Ac | Bd/B/ ce | d/c'/b/a/ gf | g2 g2 :: bg/a/ bg | 
 c'a/b/ c'a | bg/a/ bg |{g} fd d2 | b(g/a/) bg | c'bag |{g} fd e/g/f/a | g2 g2 :: fa/g/ fd | 
 gb/a/ ge | fa^ce d/^c/d/e/ dd | (bfg).g.b | (af).f.a | ged^c | d2 d2 :: d2 cB |{cd} e2 dc | BAGF | 
 G/F/G/A/ GG | .d(dcB) | .e(edc) | BAGF | G2 G2 :: (GB).d.g | (Bd).g.b | ac'fa | g/f/g/a/ gg | 
 (GB).d.g | (Bd).g.b | agfe | d2 d2 | d2 cB |{cd} e2 dc | BAGF | G/F/G/A/ GG | .d(dcB) | .e(edc) | 
 BAGF | G2 G2 :|  