Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/8
M:4/4
K:C
['BGBd BGBd gfge dBGB ecdB cABG', 'd(g{a} (3gfg)']  
X:1
L:1/8
M:4/4
K:C
 BEA |[M:2/2][K:G]SOSOO .!fermata!PMTuCO(Mdc) | BGBd BGBd | gfge dBGB | ecdB cABG | EAAB A2 (dc) | 
 BGBd BGBd | gfge dBGB | ecdB cABG | D2 G2 G2 :: z2 | d(g{a} (3gfg) d(g{a} (3gfg) | dgba gfed | 
 e(a{b} (3aga) e(a{a} (3aga) | eaaf gfef | d(g{a} (3gfg) d(g{a} (3gfg) | dgba gfef | dfaf gfef | 
 g2 gf g2 :|  