Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
['D GAF GAB def g2 f/e/ deB', 'D GAF GAB']  
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
 D | GAF GAB | def g2 f/e/ | deB cBA | AGE E2 D | GAF GAB | def g2 f/e/ | deB cBA | AGF G2 :| D | 
 GAF GAB | AGE E2 D | GAF GAB | AGE E2 D | GAF GAB | def g2 f/e/ | deB cBA | AGF G2 :|  