Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/8
M:4/4
K:Emin
['BAGB AGFB EFGA', 'gfeg fegf egfe']  
X:1
L:1/8
M:4/4
K:Emin
 B | EFGA B2 dB | BAGB AGFB | EFGA Bdef | gfed ea z2 | EFGA B3 d | BAGB AGFB | EFGA Bded | 
 BAGB E3 :: e | gfeg fegf | egfe a3 b | gfeg fegf | egfe B3 e | gfeg fegf | egfe a3 g | 
 ba (3gab agfB | egfd e3 :|  