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
['', 'G2 D2 (CDEC)', 'BAGF E2 ED CDEF GDEF GABc A2']  
X:1
L:1/8
M:4/4
K:G
 (3DEF |: G3 F G2 D2 | (CDEC) D z DD | EFGA B2 A2 | G2 F2 D2 EF | G2 GF G2 D2 | (CDEC) D2 GF | 
 EFGD CDEF |1 GBAF .G z (3DEF :|2 GBAF GABc |: A2 AG ABcA | d2 dc BAGF | E2 ED CDEF | GDEF GABc | 
 A2 AG ABcA | d2 dc BAGF | EGDG CDEF |1 GBAF GABc :|2 GBAF G2 z ||  