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:G
['BcdB G3 B ADFA dcBA B2 dB', 'A2 FA']  
X:1
L:1/8
M:4/4
K:G
 BcdB G3 B | ADFA dcBA | B2 dB GFGB | ADFA G3 A :: BGBd gfed | cBce agfe | fgaf d^cdf | 
 eA^ce d2 ef | gfed (3efg a2- | afge dcBA | BcdB G3 B |1 A2 FA G3 A :|2 A2 FA G2 dc ||  