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
['(Ac) BGGB', '(ec) dedB']  
X:1
L:1/8
M:4/4
K:C
 BEA |[M:2/2][K:C]SOSOO .!fermata!PMTuCO MA2 (Ac) BGGB | cBcd (3(e^fg) (dB) | A2 (Ac) BGGB | 
 cABG (3(E^FG) D2 | A2 (Ac) BGGB | cBcd (3(e^fg) (dB) | A2 (Ac) BGGB | cABG (EA) A2 || efec dedB | 
 cBcd eaag | (3(e^fg) (ec) dedB | cABG (3(E^FG) D2 | e2 (ec) dedB |{d} cBcd e^f{a}ge | 
 aged (3(e^fg) (dB) | cABG (EA) A2 |]  